名词
中文翻译：减压孔
同义词：
['relaxation hole', 'relief vent']
例句：
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1. Theengineer designed the relief holes to allow airto flow through.
工程师设计了减压孔，以便空气可以流通。
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2. Therelief holes in the wallare a good way to ventilate the room.
墙上的减压孔是通风房间的好方法。
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3. The reliefholes were filled with sand to prevent waterfrom seeping in.
减压孔被沙子填充，以防止水渗入。