现代民用船舶的大多数动力负载由交流异步电动机驱动，因此，对其负载阻力机械特性的研究很有必要。

As most of the power loads of the existing merchant ships are driven by the alternating current induction motors, it is necessary to study their drag torque mechanical characteristics.

youdao

现代民用船舶的大多数动力负载由交流异步电动机驱动，因此，对其负载阻力机械特性的研究很有必要。

As most of the power loads of the existing merchant ships are driven by the alternating current induction motors, it is necessary to study their drag torque mechanical characteristics.

youdao