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.

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。

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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.

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。

youdao