温度大幅下降可能会很难应付。
Coping with severe drops in temperature can be very difficult.
加热炉炉管表面温度大幅下降，加热炉炉管压降减小，有效地减缓了加热炉炉管结焦。
The tube skin temperature of furnace dropped a lot; the furnace tube pressure drop was reduced, the effect of is significant.
蒸汽在发动机中膨胀后，温度必须大幅度地下降以获得高效率。
For high efficiency, the steam must decrease substantially in temperature as it expands within the engine.
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