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.
蒸汽从排气装置中涌出，环绕在他四周，滚烫的管道使这片区域像个迷宫一样。
Steam pours out from exhausts around him, and scalding hot pipes make the area a maze.
在真空排气系统中，必须引蒸汽到汽轮机主轴迷宫式密封，以防真空损失。
In a vacuum exhaust system, sealing steam to the turbine shaft labyrinth seals must be admitted to avoid loss of vacuum.
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