单词：air lock
air lock的用法和样例：
例句
- An air lock sometimes happens in the water pipes of a house, especially if the water has been shut off to repair a tap, for example, and them turned on again.气塞有时发生在住房的水管中，特别是关上水管修理水笼头，然后再拧开水管时。
- airlock气锁
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