The process can make better effect on simultaneous nutrients removal , simple operation and low cost will make a good application prospect for it 该工艺能取得较好的同时脱氮除磷效果，且操作简便，运行费用低，有较好的应用前景。
Adopt the cold construction in breeze , economize the movement expenses , under the special circumstance , and adopt to cool off compulsory , extend service time 采用风冷式结构，节约运行费用；在特殊情况下，采用强制冷却，延长使用寿命。
Its initial cost , total cost , energy consumption and synthetic heat price in its life cycle are analyzed , and compared with conventional heating systems 根据模拟的结果，分析其初投资，寿命周期内的总能耗、总运行费用，综合热价等指标。
The application of its technique is determined by three factors : result of treating , cost of investment , and the possibility of second pollution 焦化废水治理技术能否成功应用，主要受3个因素制约：处理效果、投资运行费用以及是否会造成二次污染。
It achived client ' s good comment because the high automatism , low running fee in computer controlled electroplste technology of treatment pcb sewage 全电脑自控制的电镀、线路板废水处理技术，以其自动化程度，运行费用低的特点，赢得了用户的好评。
When the underground water is used , its energy - efficiency ratio can reach higher than 5 , which will save 40 70 operational cost compared with a common wind cooling combination 采用地下水时，能效比达到5以上，比普通风冷机组节省运行费用40 70 。
Serving global end users by a special focus on reducing customer long term cost of ownership ( life cycle cost ) while improving return on asset investment 以减少客户长期的设备运行费用（设备折旧维修费用）同时加快投资回报率为目的，服务于国际最终用户。
But the lifetime operational costs of wireless lans can be substantially less than those of wired lans , particularly in environments requiring frequent modification 但在寿命周期内，无线局域网的运行费用大大低于有线局域网，尤其是在需要频率调制的环境中时。
Therefore , it is essential to optimize the water network for reducing the paving and operation cost and for improving the competence of water utilities 因此，经济合理地进行给水管网优化设计成为降低城市给水管网建造及运行费用，提高供水企业竞争力的重要一环。
Controls . the modulating inlet valve provides a dual function . one , to protect site vacuum level and two , energy savings . both these functions translate into dollar savings 控制。调节进气系统提供两大功能：其一，维持系统真空度；其二，节能，为您节省运行费用。
