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- 这段路已经封闭。
This section of the road is closed.
- 这条路因发生事故而被封闭。
They've closed the road because of an accident.
- 管子以熔合管端的方法封闭起来了。
The tube was sealed off by fusing the material together.
- 为了消灭蚊子,所有的门窗都被封闭起来了。
All doors and windows are sealed for the extermination of mosquito.
- 封闭盖用以封闭井或大管子的盖子
A fitted covering used to seal a well or large pipe.
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