Caution: Do not direct water streams toward venting oxygen. The water will freeze and plug the pressure-relief vent, which may result in container failure.
警告：禁止直接让水流向正排出的氧。水会结冰并堵塞减压装置的出口，这会造成容器故障。
2
Via experiment and analysis, the technical specifications of the freeze proof and electrical heating device for plug doors as well as the inspection requirements are put forward.
通过实验分析，提出了塞拉门防冻电热装置的技术条件和检验要求。
3
The principles, structure and mode of the freeze proof and electrical heating device for plug doors are described.