direct current machine 直流电机 ; 直流机
direct current commutating machine 整流直流机
multiarmature direct current electric machine [电] 多电枢直流电机
direct current electric welding machine 直流电焊机
direct-current commutating machine 整流式直流电机
Direct current electric point machine 直流转辙机
·2,447,543篇论文数据，部分数据来源于NoteExpress
When the power machines of wind-tunnel work such as alternating-current machine governor and direct-current machine governor and relay, they will bring about strong interference.
风洞中交流电机调速器、直流电机调速器及继电器等动力设备运行时将产生强干扰。
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