长寿命的水冷马达，采用防湿气的气密室设计紧配轴封。
Water cooled motors for long life, with anti airlock design and moisture tight seals .
在一个星期以后，清洗并且消毒酸坛、桶盖、气密室和塑料管材。
After a week, clean and sanitize the carboy, the bung, the airlock and the plastic tubing.
不过两个可以使用的气密室中有一个是空的。营救人员担心这四名矿工无法抵达另一个气密室。
But one of the two available Chambers is empty and rescue workers fear that the four miners were unable to reach the other chamber.
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