管道阀门 meaning in English
pipeline valve
Examples
- Underground service line valves and fittings
地下管道阀门和配件 - Petroleum and natural gas industries - pipeline transportation systems - subsea pipeline valves
石油和天然气工业.管道输送系统.海下管道阀门 - Flanges and their joints - circular flanges for pipes , valves , fittings and accessories , pn designated - copper alloy flanges
法兰及其连接件.标注pn的管道阀门配件和附件用圆形法兰.铜合金法兰 - Flanges and their joints - circular flanges for pipes , valves , fittings and accessories , class designated - copper alloy flanges
法兰及其连接件.标注等级的管道阀门配件和附件用圆形法兰.铜合金法兰 - Flanges and their joints - circular flanges for pipes , valves , fittings and accessories , pn designated - aluminium alloy flanges
法兰及其连接件.按pn标注的管道阀门配件和附件用圆形法兰.铝合金法兰