The design of the motors can be altered because of this outstanding thermal (heat) resistance so as to produce 50 percent more horsepower in a motor which is of the same size. A. 有了这样突出的抗热性能,就能改变电动机的设计,做到在尺寸不 变化的情况下把出力增大 50% 。 B. 改变电动机的 突出的抗热性能 设计,可以做到在尺寸不变化的情况下把出力增大 50% 。