airlock

Unfortunately, the ship gave another convulsive shudder just as he reached the airlock.

正如他到达了airlock,不幸地, 船给予了另外摇撼的战栗.

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Remove the bung and airlock and add are using to stop fermentation and to encourage settling.

去除桶盖和气密室并且增加停止发酵的物质来加快定性.

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