piston ring joint clearance 活塞环接口间隙 ; 活塞环搭口间隙

piston-ring joint 活塞涨圈对接口

Lap joint of piston ring 活塞环对口搭接 ; 活塞环对于口搭接 ; 塞环对于口搭接

diagonal joint piston ring 斜接活塞圈

piston-ring angle joint 活塞涨圈斜接口

bevel joint piston ring 斜切活塞环