oncost

oncost

1. office oncost

一般经费

2. The ammonia refrigeration evaporator was used as an example to calculate the effect of temperature difference of heat transfer oncost, and analyse the significance of optimal design.

得出冷量的价格主要随电价的升高而增大，随单位轴功率的制冷量的提高而减小，且远高于热量的价格；