短語詞組短語reducing pressure valve 減壓閥Pressure Reducing Multifold Valve 減壓閥組Reducing ball valve 異徑球閥reducing g valve 減壓閥proportional reducing pressure valve 比例減壓閥pressure reducing type valve assembly 減壓閥總成Piston reducing valve 活塞式減壓閥;活塞昵減壓閥;活塞式降低壓力閥;活塞昵Reverse acting reducing valve 反向作用式減壓閥;逆向效用式降低壓力閥;反向感化式減壓閥;反向作用式降低壓力閥Spring diaphragm reducing valve 彈簧薄膜式減壓閥;彈簧薄膜式降低壓力閥;彈簧薄膜式 返回 reducing valve