total heat transfer coefficient

例句：

1. 1.The total heat transfer coefficient of the new material is significantly higher than that of the old one.
   这种新材料的总热传递系数比旧材料高很多。
2. 2. The engineer calculated the total heat transfer coefficient of the cooling system.
   工程师计算了冷却系统的总热传递系数。
3. 3.The total heat transfer coefficient is a critical factor in determining the efficiency of a heat exchanger.
   总热传递系数是决定换热器效率的关键因素。