DWV
美
英 
- 网络Drain Waste and Vent; 铜排水管; 耐电压(Dielectric Withstanding Voltage)
例句
Standard Specification for Shielded Transition Couplings for Use With Dissimilar DWV Pipe and Fittings Above Ground
DWV管和配件一起使用的屏蔽转换联轴器规范
Wrought copper and wrought copper alloy solder joint drainage fittings - DWV
DWV类可锻铜和可锻铜合金钎焊连接排水管接头
Cast Copper Alloy Solder Joint Drainage Fittings - DWV
DWV铸铜合金钎焊连接排水配件