Comparison was made to the isenthalp approximate method commonly used in engineering with the accuracy method, the feasibility of the en...

对于空气节中密度公式也进行了分析对比。

Operating costs of using the steam jet refrigeration system to cool the temperature of water in air conditioning system are lower than the refrigerative compressor.

蒸汽喷射制设备作为空气节系统源,不论在基建费及经运转费方面均较氨来得经济,因此近年来它已渐为有关工业部门所重视。