大量蒸汽从机器前端的排气孔冒了出来。
A lot of steam escaped from the vent at the front of the machine.
《柯林斯英汉双解大词典》
金属外壳有各种各样的压敏排气孔。
This metal case has some kind of pressure-sensitive vent hole.
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排气孔作为一个安全措施是必须存在的。
The vent is strictly there as a safety measure.
注意那个大的排气孔。
Note the large exhaust vent.
空气排净的标志是，排气孔中出来的全部都是水。
Sign of the net emission of air is vent out all the water.
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