Open, hermetic, semi-hermetic.
开式，封闭式，半封闭式。
Variations of the errors before and after freezing on water hermetic meter and semi-liquid hermetic meter were investigated.
研究了水封水表和半液封水表在冰冻前后其误差的变化。
The solenoid valve is a necessary component of air-cooled semi-hermetic screw water chiller.
电磁阀是风冷螺杆冷水机组中必不可少的关键元件。
Drink workshop with liquid beverage preparation, solid beverage preparation have two automatic semi-hermetic production lines.
饮料车间内设液体饮料制剂、固体饮料制剂二条自动化式生产线。
The streamlined body of 4d and 6d semi-hermetic compressors improves gas flow and oil management, and increases efficiency.
在四维及6d精简机构，半封闭压缩机提高天然气和石油流通管理，提高了效率。
The streamlined body of 4d and 6d semi-hermetic compressors improves gas flow and oil management, and increases efficiency.
在四维及6d精简机构，半封闭压缩机提高天然气和石油流通管理，提高了效率。
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