Drain valve must be vented to the safe position in the atmosphere, the torch duct or discharge the container.

放净阀必须放空到安全位置-放到大气、火炬总管或排放容器中。

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Drain valve must be vented to the safe position in the atmosphere, the torch duct or discharge the container.

放净阀必须放空到安全位置-放到大气、火炬总管或排放容器中。

youdao