合金法 meaning in Chinese

alloy process
alloyage

Copper alloy blank flanges
铜合金法兰盖
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 - part 3 : copper alloy flanges
法兰及其连接件.标注pn的管阀门配件和附件用圆形法兰.第3部分:铜合金法兰
Flanges and their joints - circular flanges for pipes , valves , fittings and accessories , class designated - part 3 : copper alloy flanges
法兰及其连接件.标注等级的管阀门配件和附件的圆形法兰.第3部分:铜合金法兰