fermentation valve

例句：

1. 1.The fermentation valve is responsible for controlling the flow of gases during fermentation.
   发酵阀负责在发酵过程中控制气体的流动。
2. 2. The engineer had to replace the old fermentation valve with a new one.
   工程师不得不用一个新的来替换旧的发酵阀。
3. 3.The fermentation valve was designed to prevent air from entering the fermentation tank.
   发酵阀的设计是为了防止空气进入发酵罐。