| 释义 |
主阀主阀[zhǔ fá]1.■king valve; main valve; master valve
常用词组1.■主阀衬套 main valve bush; main valve bushing;2.■主阀大活塞 large main valve piston;3.■主阀大活塞环 large main valve piston ring;4.■主阀环 main valve ring;5.■主阀簧 main valve spring;6.■主阀小活塞 small main valve piston |