electrical copper meaning in Chinese

电工铜

Testing methods of electrical copper and aluminium wires
铜电线和铝电线的测试方法
Railway rolling stock . screwed joint for electrical copper connections driving torque
铁路机车车辆.电气连接用铜螺旋旋入接头.紧固扭矩
Connecting devices - screw type and screwless type clamping units for electrical copper conductors
连接器件-铜电线用螺旋式及非螺旋式夹紧器；
Connecting devices . flat quick - connect erminations for electrical copper conductors . safety requirements
连接装置.铜导电体的扁形速接终端的安全要求
Connecting devices ; flat quick - connect terminations for electrical copper conductors ; safety requirements
连接装置.铜电导体的扁型速接终端的安全要求

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