词汇	周憬
释义	周憬 Zhou Jing
随便看	direct-current system direct-current systems direct current tachogenerator direct current tachometer direct-current tachometer direct current telegraph direct-current telegraph direct-current telegraph transmitter direct current telegraphy direct-current telegraphy direct-current telegraphy work direct current test direct current test method Direct-Current Test Volts direct current therapy unit direct current three wire system direct-current three-wire system direct current tie direct-current tie direct current tie line direct current timing direct current torque motor direct current track circuit direct current tracking direct current traction