Gutenberg fashioned his printing press because he had been in the wine business and was familiar with the mechanics of grape vises.

古登堡改进印刷机是因为他曾待在葡萄酒厂并熟悉葡萄压榨机的工作原理。

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How to separate the stalk from the grape and how to press wine; learn more about wine in this free instructional video.

如何区分从葡萄的茎，以及如何按酒酒更了解在这个自由的教学视频。

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They used a grape press, tasted juice in various stages of fermenting and attended a "riddling" lesson, learning how to turn wine bottles to facilitate yeast removal.

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