Adopted unique ventilation system and non - carbonate direct current motor stabilize the hot airflow.

采用独特的导风系统及无碳刷直流电机,恒定预热风量.

互联网

It adopted stepping electronic rheostat and thyristors, and had developed new direct - current motor ( DCM ) adjustable - speed circuit.

采用步进式电子变阻器和晶闸管研制成的新型直流电机调速电路能使速度逐级平缓地变化.

互联网

Adopted unique ventilation system and rotational direct current motor stabilize the hot airflow.

采用独特的导风系统及旋转式直流电机,恒定预热风量.

互联网

The direct current motor receives the driving current to drive the load to operate.

直流电机接收驱动电流带动负载运行.

互联网