1、活塞环槽镶圈
... Junkers-type fuel injection system容克型喷油装置 Junk ring活塞环槽镶圈 Junk yard废车放置场 ...
2、[机]填料函压盖
...junk retriever 打捞碎物工具junk ring 填料函压盖junk shot 炸碎井下落鱼的炸药包 ...
3、压环
...接合效率 joint efficiency压环 junk ring应急舵 jury rudder ...
4、垫圈
... junction box接线盒 junk ring垫圈 just gap间隙 ...