The interlink jaw crusher has a feature of big crushing ratio , uniform end product size , simple construction , reliable operation , easy maintenance , low operating cost 本系列产品，具有破碎比大，产品粒度均匀、结构简单、工作可靠、维修简便、运行费用经济等特点。
Waterpower is clean and recycle energy . contrast with fire - electricity , waterpower has a bigger one - off investment , lower operating expense , no air - pollution , recycle use 水能是清洁的再生能源，与火电相比一次性投资大，运行费用低，不污染环境，可重复利用。
Chiller priority is the most common control strategy for existing ice storage systems . but only optimal control can significantly reduce the operating cost to the minimum 冰蓄冷虽然能够节省运行费用，但是目前实际运行策略以主机优先为主，并没有达到运行费用的最小化。
With a resource , internet develops the bargaining " s scope and effectively shortens the bargaining " s time and reduces the bargaining ' s cost and distribution ' s running fare 作为一种渠道资源，互联网扩展了交易范围，有效缩短了交易时间，降低了交易成本和渠道运行费用。
The hot tubular air pre - heater have many advantage , such as the heat - transfer property good , structure simple , compact , invests , the operating cost few low , the resistance to flow small 摘要热管式空气预热器具有传热性能好、结构简单、紧凑、投资少、运行费用低、流阻小等优点。
So the effort of trying to reduce the initial cost and the running cost by research has become the most important task in the space solar power technology in our country 因而研究系统动态特性以降低初始投资和运行费用，同时提高系统稳定性已成为当前我国发展空间太阳能发电的首要课题。
Presents some application cases and analyses the operating cost , initial investment and the method of increasing the heating water temperature and heating efficiency 介绍了一些钢铁工业冷却水水源热泵的应用情况，分析了工业冷却水水源热泵的运行费用和投资费用及提高供水温度和制热效率的方法。
Based on the projects in beijing , analyses and compares four air conditioning schemes in initial investment , operating cost , energy using efficiency and atmospheric pollution effects 摘要通过北京地区的工程实例，对4种暖通空调方案的初投资、运行费用、能源利用效率、污染排放量进行了分析比较。
The mainly charge for this system is the electro - usage by the circulate pump , the power of the circulate pump is 45w , it only use a little electricity , so thats why the charge for the usage is much lower 4 .日常运行费用主要是循环泵的用电费用，循环泵功率为45w ，工作能耗低，因此使用费用很低。
Considers that applying water source heat pump can reduce initial investment , operating cost and atmospheric pollution effects when recycling cooling - water from power plant is used 认为在具备利用电厂循环冷却水条件的场所，采用水源热泵为建筑供暖可以减少初投资、运行费用以及对城市的污染影响。
