直流电的正负极 d.c. positive and negative poles
带分流器的直流电流表 DC ammeter with shunt
直流可流通的电路 hardwire
测量电阻用的直流电桥 d.c.bridge for measuring resistance
直流电动机驱动的 direct current motor driven
无刷直流电动机的设计 XVI
直流电流的缩写 DC
直接驱动的直流电动机 Direct-drive DC motor
直流电压的可调范围 DC adjustable range
二极管是将交流电整流成直流电的电子装置。
Diodes are electronic devices which rectify alternating current to direct current.
补好的补口应使用带8千伏直流电的漏涂检测仪来检测。
The finished joints shall be inspected with a holiday detector set at 8kV DC.
当时制造的直流电的调速电梯基本上是发电机拖动，使用噪音大。
The rapid elevator of the direct current manufacture at that time accent is that the dynamo drags haul essentially , The use noise is greatly .
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