electric monorail crane operator的意思|示意

电动单轨吊车操作员 电动门式起重机操作员 electric gantry crane operator 电动单轨吊车操作员 electric monorail crane operator 电气设备操作员-动臂起重机 electrical equipment operatorDerrick ..

电动单轨起重机操作员 * 电动单轨起重机操作员 electric monorail crane operator * 电气设备操作员 - 井架 electrical equipment operator – derrick ..