ball check valve spring的意思|示意
球形止回阀弹簧
ball check valve spring的网络常见释义
球形单向阀弹簧 ... ball check valve block;球形单向阀体 ball check valve spring;球形单向阀弹簧 ball cylinder;球形活塞缸 ...
ball check valve spring相关短语
1、 spring ball check valve 弹簧球式止回阀 ; 弹簧球式
2、 check-valve ball spring 止回阀球弹簧
3、 check valve ball spring 止回阀球弹簧