no-load heat consumption

例句：

1. 1.The no-load heat consumption of theengine is a critical factor in determining itsefficiency.
   发动机的无负荷热耗是决定其效率的关键因素。
2. 2. The designof the heat exchangerhas been optimized to reduce theno-load heat consumption.
   换热器的设计已优化，以减少无负荷热耗。
3. 3.The study on the no-load heatconsumption of electric vehicles is crucial for promotingtheir development.
   研究电动汽车的无负荷热耗对于促进其发展至关重要。