介绍了东荣三矿切眼支护方式。
以双鸭山矿务局东荣三矿东九采区综采工作面为研究对象,进行采区巷道监测设计。
Take the Shuangyashan mining bureau east nine to picking zone the working surface as the object of study the third coal mine of Dongrong, carries on the tunnel picking zone monitor design.
厚婆坳矿全矿分西、中、东三个区段开采,西区已采完,东区为主要出矿区段。
The Houpoao tin mine has three mining sections, i. e. the west, the central and the east, with the west section having been mined-out and the east section being the major production area.
应用推荐