double cylinder diaphragm pump 双缸隔膜泵
double cylinder engine 双汽缸发动机
double cylinder jacquard machine 双针筒提花针织机
double cylinder jacquard 双滚筒提花机
double cylinder machine 双针筒针织机
double cylinder mortise dead lock 铁皮铁闸弹子门锁
double cylinder press 双滚筒印刷机
double cylinder rim drawback lock 双舌弹子门锁
double cylinder slip pump 双缸泥浆泵
double cylinder vertical solution filter 双筒立式溶液过滤机
double damask 八枚花缎
double decker bed 双层床
double decker box bag 双格提包
double decker 两层公共汽车
double decomposition grease 复合解润滑脂
double diode laser 双二极管激光器
double diode limiter 双二极管限幅器
double diode rectifier 双二极管整流器
double diode 双二极管
double diode-pentode 双二极-五极管
double diode-triode 双二极-三极管
double disc drill colter 双圆盘条播开沟器
double disc friction screw press 双圆盘摩擦压力机
double disc gate valve 双圆板闸阀
double disc magnetic disk machine 双片磁盘机
double disc slide valve 双动滑阀
double disk friction press 双盘摩擦压力机
double disk friction screw press 双盘摩擦压力机
double disk harrow 双圆盘耙路机
double disk lapping machine for indexable carbide insert 可转位插刀双端面研磨机
double disk lapping machine 双盘研磨机
double disk surface grinding machine 双盘面磨床
double dope transistor 双掺杂晶体管
double doughnut laser 双圈激光器
double draft bull block 二次拉丝机
double drawn black goathair 双齐黑山羊把毛
double drawn cow tail hair 双齐牛尾毛
double drawn goathair 双齐山羊把毛
double drawn hair 双齐档发
double drawn horse mane 双齐马鬃
double drawn horse tail hair 双齐马尾毛
double drawn human hair 双齐档发
double drawn mixed goathair 双齐花山羊把毛
double drawn white goathair 双齐白山羊把毛
double drawn yak tail hair 双齐牦牛尾毛
double drawn yakhorse tail hair 双齐牦牛马尾毛
double dresser and mirror 双排斗配镜梳妆台
double dresser with 6 drawers 双排六斗梳妆台
double drill 双钻
double drum dryer with dip-feed 浸没加料式双滚筒干燥器
double drum dryer with top-feed 顶部加料式双滚筒干燥器
double drum mixer 双滚筒搅拌机
double duo mill 双二辊式轧机
double effect evaporator 双效应蒸发器
double eight-high rolling mill 双八辊轧机
double end 15 degree angle wrench 双头15度斜口扳手
double end adjustable spanner 双头可调扳手
double end adjustable wrench 双头可调扳手
double end bolt 双头螺栓
double end tool post wrench 双头刀架扳手
double epitaxial IC transistor 双外延集成电路晶体管
double equal-angle cutter 对称双角铣刀
double expansion engine 双级膨胀蒸汽机
double extension motor 双凸轴电动机
double eye piston rod 双眼活塞杆
double face hammer 双面锤
double face horizontal fine boring machine 双面卧式精镗床
double face lady's dress 双面女衣呢
double face mill 双面铣刀
double face planer 双面刨床
double face ribbon 双面缎带
double face valve 双面阀
double faucet shampoo spray 双笼头洗头喷水器
double fault indicator relay 复式故障指示继电器
double feed automatic hosiery machine 双成圈自动织袜机
double feed machine 双系统针织机
double filling duck 双纬帆布
double filter 双联滤器
double fired boiler 双燃烧管锅炉
Double Fish shortcake 双鱼酥
double flame furnace 返焰炉
double flexible coupling 双挠性联轴节
double fluid cell 双液电池
double fluid ink 双液型油墨
double flush socket 双暗插
double focusing mass spectrometer 双聚焦质谱仪
double french horn 圆号
double frit glaze 双熔块釉
double genoa 棱条棉绒布
double glass silk wrapped copper wire 双玻璃丝包铜丝
double gloves 双层手套
double godet machine 双导丝盘纺丝机
double godet roller spinning machine 双导辊纺丝机
double goniometer 双向测角计
double governor 双重调节器
double grating monochromator 双光栅单色仪
double grip garter 双钩吊袜带
double groove continuous extruding machine 双槽连续挤压机
double handle incense burner 双把香炉
double handle pipe wrench 双柄管子钳
Double Happiness biscuit 双喜饼干
Double Happiness brand vinegar 双喜牌陈醋
Double Happiness cigarette 红双喜牌香烟
Double Happiness cream sweet 双喜奶油糖
Double Happiness crisp 双喜酥
double hat 双层毡帽
double hearth furnace 双膛炉
double helical gear planer 人字齿轮刨床
double helical gear 人字齿轮
double helical mixer 双螺浆混合器
double helical pinion 人字小齿轮
double helical spring 复式螺旋弹簧
double helical spur gear 人字正齿轮
double heterojunction laser diode 双异质结激光二极管
double heterojunction laser 双异质结激光器
double hexagon ring end adjustable wrench 六角柄端活扳手
double hexagonal pyramid 六角双锥
double hook chain 双钩吊链
double hook 双钩吊钩
double hopper automatic feeder 双斗自动给料机
double hopper feeder 双棉箱给棉机
Double Horse electric fan 双马牌电扇
double horsehide leather strop 双层马皮革砥
double housing planer 龙门刨床
double housing surface grinding machine 龙门式平面磨床
double image prism 双像棱镜
double induction regulator 双感应式调压器
double injector 双管喷射器
double inlet fan 双进口风机
double insulated universal hand electrodrill 双重绝缘通用手电钻
double ionization gauge 双电离压力计
double iron plane 双刃刨
double jack 双塞孔
double jaw head wrench 双卡头扳手
double jaw pattern chain pipe wrench 双颚式链条管钳
double jersey 双面针织物
double kayak 双人皮艇
double kernel cake 双仁香酥
double key 双键
double knife noodle pressing machine 双刃压面条机
double knit circular knitting machine 双面圆纬机
double knit machine 双面针织机
double knit wool hat 双股针织绒线帽
double knit 双面针织物
double knitting wool 粗绒线
double lathe 复式车床
double layer core dispersion-shifted single-mode fiber 双层纤芯色散位移单模光纤
double layer fibre 双层型纤维
double layer fluorescent screen 双层荧光屏
double layer iron sheet electric furnace 双层铁皮电炉
double layer lens 双层透镜
double layer winding 双层绕组
double layer-stenter 双层拉幅机
double lead cable 双芯铅包电缆
double lens 双透镜
double lever safety valve 双杠杆安全阀
double lift double cylinder jacquard 复动式双花筒提花机
double lift jacquard 复动式提花机
double lift single cylinder jacquard 复动式单花筒提花机
double limiter 双重限制器
double line pen 画双线笔
double locked stitcher 双线锁边机
double loop-sheet testing machine 双卷层薄板试验机
double Macarthy gin 复式麦卡赛轧棉机
double magnet gun 双磁铁电子枪
double manipulator 双面推床
double mantle lantern 双头纱罩汽油灯
double microscope 双筒显微镜
double milled fabric 双缩绒织物
double milling machine 双轴铣床
double mitre saw 双斜角锯
double monochromator 双单色仪
double moquette 双面毛圈毛绒织物
double motion agitator 双动搅拌器
double motion mixer 双动拌和器
double motion paddle mixer 双动桨叶式拌和机
double motion turbine 双动式汽轮机
double motor alternator 双电动交流发电机
double mould-board ridging plough 双壁起垄犁
double needle bar fabric 双面针织物
double needle bed machine 双针床针织机
double needle loom 双导纬针织带机
double non-return valve 双止回阀
double nozzle 双头喷嘴
double nozzled rocket engine 双喷管火箭发动机
double nuclear resonance magnetometer 双重核共振磁力仪
double oblique shade bracket light 双斜罩壁灯
double observer rangefinder 双观测者型测距仪
double offset ring spanner chrome plated 镀铬梅花扳手
double offset ring spanner with ratchet 棘轮梅花扳手
double offset ring spanner 梅花扳手
double open end screwdriver 双头螺丝起子
double open end spanner 双头扳手
double open end wrench 双头扳手
double oriented silicon steel 双取向硅钢板
double oscillator 双振荡器
double oscillograph 双电子束示波器
double overcoating cloth 双重厚大衣呢
double padder 两道轧染机
double pedestal desk 双排抽屉写字台
double perforation cine film 双孔电影胶片
double pick 双嘴镐
double piece moquette 双层天鹅绒
double pile velveteen 双层丝绒
double pile 双面绒头织物
double pipe chiller 双套管冷冻器
double pipe condenser 双套管冷凝器
double pipe cooler 双套管冷却器
double pipe heat interchanger 双套管换热器
double pipe longitudinal finned exchanger 双套管式纵向翅片换热器
double pipette 双吸移管
double platinum resistance temperature sensor 双支铂电阻温度传感器
double plough 双犁
double plush 双面长毛绒
double pole single-throw switch 双刀单投开关
double ported slide valve 双口滑阀
double ported valve 双口阀
double post tool rest 双柱车刀架
double potentiometer 双电位计
double pressed stearic acid 二压硬脂酸
double pressure boiler 双压式锅炉
double probe 双联探测器
double pulley 双滑轮
double pulse and square wave generator 双脉冲与方波发生器
double pulse generator 双脉冲发生器
double pulse nanosecond oscillator 双脉冲毫微秒振荡器
double pump 双联泵
double punching machine 复式冲压机
double puzzle 双面猜谜
double pyramid 对顶棱锥
double radial engine 双径向发动机
double rate meter 双费制电度表
double reduction axle 双减速轴
double reduction gear 双减速齿轮
double reduction geared turbine 双减速汽轮机
double reel winch 双框洗涤机
double reeling frame 双面摇纱机
double reeling machine 双面摇纱机
double reentrant winding 双重入绕组
double resident tent 双人帐篷
double response controller 双重作用控制器
double rib gin 双肋条轧棉机
double rib 双面经编织物
double ribbon 双面织花带
double ring antenna 双环天线
Double Ring ceiling fan 双环牌吊扇
double rod cylinder 双活塞杆油缸
double roll breaker 双辊破碎机
double roll press 双辊压力机
double roll reversing cold-rolling mill 双辊可逆冷轧机
double roll rice polisher 双辊碾米机
double roll slag-crusher 双辊碎渣机
double roller chain coupling 双辊链式联轴节
double roller mixer 双辊拌和机
double rolling key clutch 双向旋转键离合器
double round blacksmith's hammer 八角锤
double row ball bearing 双列滚珠轴承
double row centripetal cylindrical roller bearing 双列向心短圆柱滚子轴承
double row hydraulic type pusher 双排液压式推钢机
double row radial engine 双排星形发动机
double row roller chain 双排滚子链
double rubber flexible wire 双层橡胶软线
double rubberized fabric 双层胶布
double S 22-degree angle wrench 双S形22度斜口扳手
double safety pressure cooker 双保险压力锅
double safety valve 双联安全阀
double salt 复盐
double satin de Lyons 里昂双面有光缎
double satin ribbon 双面有光缎带
double satin 双面缎
double saw 双锯
double scoop type excavator 双斗式挖土机
double screen printing machine 双面绢网印花机
double seal valve 双密封阀
double seam welder 双层缝焊机
double seamer 封罐机
double seater 双座机
double sensor 双电阻传感器
double serge 双经双纬哔叽
double sextant 双重六分仪
double shaft hammer mill 双轴锤击破碎机
double shaft mixer 双辊混合机
double shaft trough mixer 双轴槽式搅拌机
double shaft 双轴
double shaping machine 复式牛头刨床
double shear rivet 双向剪铆钉
double sheet set 双人被套
double shell cylinder 双层缸
double shell digester 双层煮解器
double shell rotary drier 双壳旋转干燥器
double side & double density floppy disk 双面双密度软磁盘
double silk-covered copper wire 双丝包铜线
double slide tuner 双滑动式调谐器
double slide valve 双滑动阀
double sliding back gear 双滑动背齿轮
double slug tuner 双插心式调谐器
double soap 联皂
double source array television antenna 双源阵列电视天线
double spiral agitator 双螺旋搅拌器
double spiral classifier 双螺旋分级机
double spiral mixer 双螺旋混合机
double spiral turbine 双螺旋涡轮机
double spline 双列花键
double spring drop compass 双簧小圈圆规
double sprocket movie camera 双链轮摄影机
double spun yarn 两次加捻纱
double squirrel cage induction motor 双鼠笼式感应电动机
double squirrel cage motor 双鼠笼式电动机
double squirrel cage rotor asynchronous motor 双鼠笼转子异步电动机
double squirrel cage rotor 双鼠笼式转子
double squirrel cage winding 双鼠笼式绕组
double stand rolling mill 双机座轧机
double station electron beam welder 双工位电子束焊机
double stator balancing capacitor 双组定片平衡电容器
double stator capacitor 双组定片电容器
double stewpot 炖锅
double stick hank dyeing machine 双棒绞纱染色机
double stream amplifier tube 双电子注放大管
double stream amplifier 双电子注放大器
double strength corrugated board 双层增强瓦楞纸板
double strength glass 强力玻璃
double superheterodyne receiver 双变频超外差接收机
double superphosphate 双料过磷酸钙
double surface lapping machine 双面研磨机
Double SwallowSharp refrigerator 双燕夏普牌电冰箱
double sweep tee 双弯三通
double swing end wrench 双头活动扳手
double system sound recorder 双制式录音机
double T-iron 工字钢
double tang shank 双尾刀柄
double teasel gig 双滚筒刺果起绒机
double teasel raising machine 双滚筒刺果起绒机
double telescope 双筒望远镜
double template jigger 双刀旋坯机
double texture fabric 双层胶布
double thinning barber shears 双口理发梳剪
double thinning shears 双口梳发铰剪
double thread shoe border stitcher 双线鞋沿缝合机
double threaded screw 双纹螺丝
double thrust bearing 对向止推轴承
double tier net machine 双层式窗帘花边织机
double time constant synchronous signal separator 双时间常数同步信号分离器
double tone oscillator 双音振荡器
double tricot machine 双针床经编机
double tricot 双面经编针织物
double triode valve 双三极管
double triode 双三极管
double trolley electric locomotive 双触轮电机车
double tubing mercurial barometer 双管水银气压表
double twilled merino 复式斜纹美利奴毛织物
double type filter 重合型滤波器
double type printed circuit board connector 双件式印制板连接器
double tyre wheel 双胎轮
double undulated preheater 双波纹式预热器
double unequal-angle cutter 不对称双角铣刀
double universal coupler 双万向联轴节
double upshot furnace 直立双膛加热炉
double vane attenuator 双片衰减器
double velvet loom 双层丝绒织机
double voice cracker 双响炮
double volute pump 双蜗壳式泵
double wall funnel 夹壁漏斗
double wall high pressure steam sterilizer 双壁高压透汽消毒器
double warp flannelette 双经彩色条子棉法兰绒
double warp lining 线经里子布
double warps 线经织物
double washstand 双洗面台
double water glass 双料水玻璃
double weft brocade 双纬花绸
double weft cloth 双纬布
double weft fabric 双纬布
double weft flannelette 双纬绒
double weight paper 厚纸
double wheel lathe 双轮式车床
double wheel pulley 双轮环式滑车
double width jacquard decorative cloth 宽幅提花装饰布
double winding alternator 双绕组交流发电机
double winding synchronous generator 双绕组同步发电机
double wing auger 双螺旋挤泥机
double wire crosstalk suppression filter 双线串音抑制滤波器
double wire-armored cable 双层铁线铠装电缆
double worm pusher 双螺杆顶车机
double worsted 合股精梳毛纱
double woven fabric 双层织物
double woven pile fabric 双层织造长毛绒织物
double wrench 双头扳手
double yarn 合股纱
double zigzag rectifier 双曲折整流器
double zone gas producer 两段煤气发生炉
double zone lotion 双层化妆水
double-8mm movie camera 双八毫米活动摄影机
double-acting air compressor 双动式空气压缩机
double-acting brushing machine 双动式刷呢机
double-acting compressor 双作用式压缩机
double-acting cylinder 双作用汽缸
double-acting duplex slush pump 双动双工泥浆泵
double-acting engine 双作用式发动机
double-acting hand force pump 双作用手摇泵
double-acting hinge 双面铰链
double-acting jack 双作用千斤顶
double-acting napping machine 双动起毛机
double-acting paddle impeller 双动搅拌桨
double-acting piston pump 双作用式活塞泵
double-acting pump 双作用泵
double-acting raising machine 顺逆交替起绒机
double-acting stream hammer 双动气锤
double-action black japanned spring hinge 黑漆双弹簧铰链
double-action disc harrow 双排式圆盘耙
double-action gin 双动式轧棉机
double-action hydraulic drawing press for sheet metal 双动薄板拉伸液压机
double-action hydraulic drawing press 双动薄板拉伸液压机
double-action hydraulic press 双作用液压机
double-action press 双动压力机
double-alloy steel 二元合金钢
double-amplitude modulation multiplier 双调幅乘法器
double-angle iron 双角铁
double-arm bridge 双臂电桥
double-arm kneader 双臂捏和机
double-arm mill 双臂压机
double-arm press 双臂压力机
double-armature motor 双电枢电动机
double-articulated reductor 二级链式减速器
double-axe cleavager 双斧劈木机
double-axis motor 双轴电动机
double-axle lathe 双轴车床
double-axle platform trailer 双轴平板拖车
double-base junction diode 双基极结型二极管
double-base propellant 双基推进剂
double-base transistor 双基极晶体管
double-beam amplifier tube 双电子束放大管
double-beam bridge type crane 双架桥式起重机
double-beam bridge type grab crane 双架桥式抓斗起重机
double-beam cathode-ray tube 双电子束阴极射线管
double-beam crane 双梁吊车
double-beam densitometer 双光束密度计
double-beam grating spectrophotometer 双光束光栅分光光度计
double-beam oscilloscope 双线示波器
double-beam spectrodensitometer 双光束分光光密度计
double-beam storage oscilloscope 双束存储示波器
double-beat converter 双拍变换器
double-beat dropvalve 双座阀
double-beat magnetic amplifier 双拍磁放大器
double-beat valve 双座阀
double-bended glass 双弯曲玻璃
double-bladed knife switch 双闸刀开关
double-bladed plough 双铧犁
double-bonded hydrocarbon 双键烃
double-boom jumbo 双臂钻车
double-boom plane 双尾撑飞机
double-bowl vacuum centrifuge 双鼓真空离心机
double-break push button 双断按钮
double-break switch 双断开关
double-breasted coachman-effect robe 双挂钮马夫式长袍
double-breasted cotton broadcloth frock with gold-tone buttons and belt 双排钮阔幅棉布外长衣配金色钮及金色腰带
double-breasted pinwale corduroy topper 双排钮条纹绒布短大衣
double-breasted plough 双壁开沟犁
double-breasted shark-skin suit 双排钮鲨鱼皮西装
double-breasted suit 双排钮上装
double-breasted white tuxedo 双排钮白色晚宴服
double-bus 双层公共汽车
double-buttoned pyramid coat 角锥形双钮大衣
double-cable ropeway 双缆索道
double-cable suspension line 双缆索道
double-case vertical centrifugal oil pump 双壳体立式离心油泵
double-chain draw bench 双链式拉拔机
double-chain stitch machine 双链线迹缝纫机
double-chamber oil quenching-gas cooling furnace 双室油淬气冷炉
double-chamber vacuum packing machine 双室真空包装机
double-channel adjustable spanner 双道可调扳手
double-channel digital low-frequency spectrum analyzer 双通道数字式低频频谱分析仪
double-channel echo well depth sounder 双通道回声井深测试仪
double-channel echo well sounder 双通道回声井深测试仪
double-channel impeller pump 双路叶轮泵
double-channel instantaneous signal recorder 双通道瞬态信号记录仪
double-channel Mossbauer spectrometer 双通道穆斯堡尔光谱仪
double-channel nitrogen laser 双通道氮激光器
double-channel planar buried heterostructure laser 双通道板状掩埋式异质结构激光器
double-channel super-short-wave wireless telephone 双工超短波无线电话机
double-check snow plough 双侧板式雪犁
double-check valve 双止回阀
double-coated electrode 双层药皮焊条
double-coated paper 双层涂料纸
double-colour plastic extruder 双色塑料挤出机
double-column hand-operated hydraulic press 双柱手动液压机
double-column hydraulic planer 双柱液压刨床
double-compound engine 双联双胀式蒸汽机
double-compound turbo jet 双轴涡轮喷气发动机
double-cone antenna 双锥形天线
double-cone blender 双锥体混合机
double-cone clutch 双锥离合器
double-cone coiler 双锥式卷取机
double-connected rectifier 双重连接整流器
double-crank mill 双曲轴轧机
double-crank press 双曲轴压力机
double-crank shaft engine 双曲轴发动机
double-crank shaft 双曲轴