temperature drop 温度下降；温差

【例句】
A way of "sectional matching" is thus suggested to minimize the loss of available energy due to heat transfer temperature drop.
为此建议了一种分段匹配方式，以减少由于传热温差引起的可用能损失。

The weather scientists predicted a light rain and temperature drop.
气象专家们预测有小雨，气温将下降。