The air then moves up though the space via the stack effect and is allowed to circulate above interior walls and out through an operable exhaust vent.
然后，空气通过堆栈效应移动，并且可以通过一个排气孔在室内墙壁和外部循环运行。
Flush system with hydrogen until required purity is reached. Vent all waste hydrogen through a flue or flare stack.
用氢冲洗设备，直到达到所要求的纯度。通过烟道或火把烟筒排出所有废氢。
Vent all waste hydrogen through a flue or flare stack.
通过烟道或火把烟筒排出所有废氢。
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