timbering support的例句大全

A New Type Advance Timbering Support Set for Air-return Gate

新型回风巷超前支护支架组的设计

A new type self-walking advance timbering support set is adopted in longwall coal mining face of Halagou Coal Mine, Shendong Coal District by Shenhua Group Co.

神华集团神东矿区哈拉沟煤矿在长壁工作面回风巷中采用了一种新型自移式超前支护支架组。

The Tonglu Mountain Copper Mine used an elaborate system of timbering support the working areas.

铜绿山古矿井采用符合力学原理的木框架支护技术,框外用木棍、木板作护壁,组成完整安全的井筒.

After being set state load, optimized timbering adds support yielding deformation, increases the load-carrying ability and improves the effect of controlling the surrounding rock.

在给定初始支撑强度的前提下，加大支架的让压变形量，提高支架承载能力，大大改善了矿工钢梯形支架控制围岩的效果。

the technological experience on pin timbering and injection support extraordinarily of the unstable coal roadway

极不稳定煤巷锚注支护技术的实践

the soft rock tunnel pin timbering and injection support mechanics and the application in the repairing tunnel

软岩巷道锚注机理及其在返修巷道中的应用