check valve lever spring

valve... ... check-valve hole liner 止回阀孔衬圈 check-valve lever spring 止回阀杆弹簧 check-valve lever 止回阀杆 ...

valve- 阀门专业术语中英文对照 -... ... check-valve lever spring 阀阀 阀阀 止回 杆 簧 check-valve lever 阀阀 止回 杆 ...