seat retainer meaning in English
座圈；阀座护圈
Examples
- Valves with hose union ends shall be complete with hose union and washer fitted to the seat retainer and screwed “ [ red ] finger tight [ / red ] ” only
带有用于软管连接的端面的阀门，应将软管连接器和垫圈装配在阀盖上，并旋入到手指能拨动的程度即可。 - [ br ] valves with hose union ends shall be complete with hose union and washer fitted to the seat retainer and screwed “ [ red ] finger tight [ / red ] ” only
带有用于软管连接的端面的阀门，应将软管连接器和垫圈装配在阀盖上，并旋入到手指能拨动的程度即可。