A As already stated, friction is one of source of heat.
正如已谈过的，磨擦作用是一种源。
Experimental research of heat transfer and flow friction properties in twisted tube heat exchanger;
计算了层流状态下扭曲椭圆管内的流动与换热情况。
Experimental research of heat transfer and flow friction properties in twisted tube heat exchanger;
计算了层流状态下扭曲椭圆管内的流动与换热情况。
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