air plug

• 气塞

air plug的用法和样例：

例句

1. 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。