How It's Made: Ketchup 番茄酱
来源：science 上传日期：2012-06-25 播放次数：
41
视频介绍
How It's Made: Ketchup 番茄酱
There are several theories about the origin of Ketchup, but there's widespread agreement on one thing - it's delicious!
From: http://science.discovery.com/videos/how-its-made-ketchup.html
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