1) difficult coal
难洗煤
2) washing coal
洗煤
1.
To thinking how to use washing coal and middle coal,it gives some suggests that the project should be devided into two parts.
对煤炭洗选后的洗煤和中煤的利用提出了建议 ,认为工程建设宜分为两期进行 ,在第 1期工程中 ,煤化工基地的起动项目应为甲醇及其系列产品的投资建设 ,在此基础上再拓展产品范围 ,进而完成第 1、2期工程。
2.
The natural deposit of washing coal water be changed to a new treating process line which includesof prase, floatation machine, filter,etc,thus the recovery of coal mud and the closing cycle of washing water canbe achieved in ZhenXing coking CO.
振兴焦化公司将原来的洗煤水自然沉降改为经浓缩机、浮选机、过滤机、压滤机等处理，从而实现了煤泥厂内回收和洗水闭路循环，降低了清水耗量，吨原煤耗水量达到0。
3) Coal washing
洗煤
1.
The article gives an analysis on present situation of coal washing, clarifies the necessity to give a reform on present floatation and pressure filtration system.
通过对洗煤现状的分析,阐述了洗煤浮选、压滤系统改造的必要性。
5) difficult floated coal
难浮煤
1.
Research on accelerant for difficult floated coal of floatation;
难浮煤浮选促进剂的研究
6) difficult mining seam
难采煤层
1.
Longwall and longhole blasting coal mining method for difficult mining seam;
难采煤层巷道长壁长孔爆破采煤方法简介
补充资料：难夫难妻(难ｎàｎ)
一名《洞房花烛》。故事片。亚细亚影戏公司1913年摄制。郑正秋编剧，张石川、郑正秋导演。一对素不相识的青年男女，经媒婆撮合拜堂成亲，在封建礼教桎梏下开始艰难的夫妻生活。为中国第一部故事片。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条