1) direct-sorting back-packing technology under the shaft
井下直接分选回填技术
1.
The operation significance of the direct-sorting back-packing technology under the shaft during the comprehensive control of coal gangue at.
介绍了平煤集团煤矸石的物质组成,分析了其环境效应影响,并对其治理从理论上做了综合分析,结合其综合治理现状,提出了煤矸石的井下直接分选回填技术在平煤集团煤矸石山综合治理中的现实意义,并介绍了国外该回填技术的两种常用方法。
2) underground gangue backfilling technique
井下矸石充填技术
1.
This paper briefly introduces the techno-economic benefits and environmental benefits of coalmine\'s underground gangue backfilling technique,an important technical breakthrough of green mining,and points out that this technique is the coordinative,healthy and sustainable development direction of our country\'s coal industry.
简要介绍了绿色开采的重大技术突破——煤矿井下矸石充填技术的技术经济效益和环境效益,指出该技术是我国煤炭工业协调、健康、可持续发展的方向。
3) selected method
分选技术
1.
Study of consistency and selected method of Ni-MH battery;
MH-Ni蓄电池组一致性及分选技术
4) vertical drilling technology
垂直钻井技术
5) oil well TV technology
井下电视技术
6) downhole microseismic technique
井下微地震技术
补充资料：回填
土石方工程上指把挖起来的土重新填回去：～土ㄧ～的时候要逐层夯实。
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