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1. The engineer used a plug fermentation to improve the efficiency of the machine.
工程师使用塞子发酵来提高机器的效率。
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2. The scientist discovered a new method for plug fermentation that could save time and resources.
科学家发现了一种新的塞子发酵方法,可以节省时间和资源。
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3.During the plug fermentation process, the bacteria convert sugar into alcohol.
在塞子发酵过程中,细菌将糖转化为酒精。