1) light top-coal drawing
轻型放顶煤
1.
Approach technology to light top-coal drawing technology and support type choice;
轻型放顶煤技术探讨与支架选型
2) light supports caving mining
轻型支架放顶煤
3) light caving technique
轻型放顶煤技术
1.
Application of light caving techniques Vnder the close Villages.;
轻型放顶煤技术在密集村庄下的开采应用
5) light supported fully mechanized caving
轻型综采放顶煤
1.
The practices and experiences on mining by the light supported fully mechanized caving method and the technical problems encountered in mining in the relatively thinner thick coal seam(i.
4m左右煤层 )轻型综采放顶煤开采实践经验以及在轻放开采过程遇到一些技术问题及其解决办法。
6) light roof caving support
放顶煤轻型支架
补充资料：综采放顶煤
综采放顶煤：厚煤层煤炭开采技术之一。把原来分层开采的煤炭，一次采完。方法是，在煤层底部按传统方法开采，使上面的煤炭在矿压的作用下，自动落下来。
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