A lot of steam escaped from the vent at the front of the machine.
大量蒸汽从机器前端的排气孔冒了出来。
Vent the piping and test valve body cavity to remove air or steam.
排放管道和试验阀门体腔内的空气或蒸汽。
The steam found a vent through a crack in the pipe.
蒸气从管子的裂缝漏出去。
The steam found a vent through a crack in the pipe.
蒸气从管子的裂缝漏出去。
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