Based on the calculation of annual fixed expenditure and annual running cost, compares some heat and cold source schemes with annual current expenditure method.
用年经常费用法对几种冷热源方案的年固定费用和年运行费用进行了计算比较。
This paper advances calculation method for unit construction prices of pipelines and annual power cost.
本文提出单位长度管线造价及管网能耗即环状管网年动力费的计算方法。
The concept of the method of annual cost for equipment is clearer and its calculation is simple and convenient, and thus it is easy for the ordinary hotel managing staff to accept and grasp.
设备年度成本方法的概念比较清楚，计算简单方便，易为普通饭店设备管理人员所掌握。
The concept of the method of annual cost for equipment is clearer and its calculation is simple and convenient, and thus it is easy for the ordinary hotel managing staff to accept and grasp.
设备年度成本方法的概念比较清楚，计算简单方便，易为普通饭店设备管理人员所掌握。
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