Oxygen may be withdrawn as a gas by passing liquid through an internal vaporizer or as a liquid under its own vapor pressure.
可以通过使液体流过内汽化器取出气态氧，或者直接取出在它自己的蒸气压下的液态氧。
It is controlled by a regulator that opens to allow liquid to flow from the bottom of the container, through a vaporizer, where it becomes a gas.
它受到一个调整器的控制。调整器允许液体从容器的底部流动，通过一个蒸发器变成气体。
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