节煤,coal-saving
coal conservation节煤
3)coal-saving machine节煤器
1.The several methods of increasing the mining rate of coal faces are stated from these aspects: improving the techniques of blasting coal down the roof,using suitable facilities,self-developingcoal-saving machines,and making proper mining system.结合实际,系统地分析了影响轻放工作面回采率的各种因素,从改进放煤工艺增加配套设施、自行研制节煤器、合理开采设计等几个方面入手,阐述了提高轻放工作面回采率的几种途径。
4)saving coal techniques节煤技术
5)daily coal saving日节煤量
1.The formulas are established to calculate thedaily coal saving,and every aspect of the formula is analyzed.以纯火电电网为研究对象,分析日调节型抽水蓄能机组加入电网后,整个电网煤耗的变化,得到日节煤量计算公式,并具体分析公式中每一项的变化因素。
6)Coal bed joints煤层节理
1.Coal bed joints are a widespread structure in coal beds.煤层节理在煤层中普遍发育 ,它不仅是矿井构造研究的重要内容 ,同时也是极其重要的工程地质因素。
延伸阅读
50t炼钢电弧炉电抗器、电阻器(SVC)(大冶钢厂)50t炼钢电弧炉电抗器、电阻器(SVC)(大冶钢厂)50t炼钢电弧炉电抗器、电阻器(SVC)(大冶钢厂)
