圈密封 meaning in Chinese

seal with o-ring

Standard practice for making and testing reference glass - metal bead - seal
标准玻璃金属胎圈密封胶的生产和试验标准实施规程
Felt ring seal
毡圈密封
U - cup seal u
形圈密封
Both units are sealed by an o - ring and thereby the insert is decoupled from vibrations
两个单元都是用o形圈密封，这样就可以减少振动对插入头的影响。
Specification for hydraulic port and stud coupling using ' o ' - ring sealing and ' g ' series fastening threads
用o型圈密封及g系列紧固螺纹的液压系流入口及连接螺栓规范

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