3.Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.
论述了短锚群支护碎裂岩石中耙道原理及实施效果。
4.Through Analysis on roadway roof separation time and law,Adoption malison reinforcing roadway roof separation Exceed the range area,Make the obvious result.
通过对巷道顶板离层时间及规律进分析,采用马丽散对顶板离层区进加固,取得明显效果。
5.Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.
6.Traffic Cone, Delineator, Barricade Warning Light, Rubber Road Hump, Led Traffic Baton Roadway, Traffic Safety and Management
采购产品交通圆锥体,描写人,路障警告光,橡皮道路圆形隆起物,引导了交通指挥棒车道,交通安全和管理
7.We want to buy Traffic Cone, Delineator, Barricade Warning Light, Rubber Road Hump, Led Traffic Baton Roadway, Traffic Safety and Management
我们要采购交通圆锥体,描写人,路障警告光,橡皮道路圆形隆起物,引导了交通指挥棒车道,交通安全和管理
8.Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.