汽车拖动电机
generator drived by vehicle engine
直线电机拖动机构
Towing mechanism of linear motor
电动拖拉机
Electric tractor
asynchronous communication controller
电机与拖动
electrical machinery & towage
电机原理与拖动
principles of electrical machinery & towage
动平衡机拖动直流电动机
AC motor for dynamic balancing machine
三峡升船机电力拖动控制系统
the Three－ Gorges Shiplift electric hauling control system
拖车式自动电焊机
tractor automatic arc welding machine
起动电动机电磁线圈试验
starting motor solenoid test
起动电动机电磁线圈总成
starting motor solenoid assembly