oncost
常见例句
- 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.
得出冷量的價格主要隨電價的陞高而增大,隨單位軸功率的制冷量的提高而減小,且遠高於熱量的價格; - office oncost
一般經費 返回 oncost