| 释义 |
主阀 zhǔ fá king valve; main valve; master valve 主阀衬套 main valve bush; main valve bushing; 主阀大活塞 large main valve piston; 主阀大活塞环 large main valve piston ring; 主阀环 main valve ring; 主阀簧 main valve spring; 主阀小活塞 small main valve piston主阀master valve主阀main valve双向☞主阀--总阀 |