Six, open the two outdoor brass valve, plug in the plug, open the cooling mode.
打开室外机两个铜管阀，插上电源插头，打开制冷模式。
Valve shall have a brass body and stainless steel stem and spring.
这种阀门应该是黄铜阀体，不锈钢阀杆和弹簧。
Brass drain valve, comprehensively improve product safety.
黄铜排污阀，全面提升产品安全性。
Standard valve is plain brass.
标准是纯黄铜阀。
Standard valve is plain brass.
标准是纯黄铜阀。
应用推荐