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.

用蒸汽喷射制设备作空气调节系源,不论在基建费用及经常运转费用方均较氨冻机来得经济,因此近年来它有关工业部门所重视。

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

对于空气调节中常用密度公式也进行了分析对比。