甲板水封装置是否情况良好？
管道、阀门和水封装置冻结时，只能用热水或蒸汽加热解冻，严禁使用明火烘烤。
When Pipes, valves and water seal equipments is freezing, only hot water or steam heating can be use to thaw, and open fire is prohibited.
一种熔盐泵的密封装置，是由密封体、水封、填料所组成。
The invention discloses a sealing device of a pump for molten salt, which is composed of a sealing member, water seal and filler.
一种熔盐泵的密封装置，是由密封体、水封、填料所组成。
The invention discloses a sealing device of a pump for molten salt, which is composed of a sealing member, water seal and filler.
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