oil catch-ring

档油环,oil... ... ) oil-ring retainer 油环档圈 ) oil catch-ring 档油环，集油环 ) oil retainer ring 润滑油档油环 ...

航海及海运专业术语O(1) ... oil catch ring 润滑油收集环 oil catch-ring 润滑油收集环 oil catcher 浮油回收舱 ...