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- Support technology for mine large cross section roadway in high stress broken zone 高应力破碎带大断面巷道支护技术
- Support Technology for Large Cross Section Roadway Driving Along Next Goaf in Fully Mechanized Sub-Level Caving Face in High Stress Three-Soft Seam 高应力三软煤层综放大断面沿空掘巷支护技术
- large cross section roadway 大断面巷道
- roadway with large cross section 大断面巷道
- deep large cross section rock roadway 深部大断面岩巷
- Rapid Construction of Large Cross Section Mine Roadway 大断面巷道快速施工
- Uniform hardness distribution even in large cross section mold dies because of excellent hardenability. 大尺寸模具中心部位也同样有相对硬度。
- The construction method of large cross section airbridge in soft rock i s presented in this paper. 阐述了软岩中大断面风桥的施工方法。
- Application of prestress truss cable in large cross section coal roadway 大断面煤巷预应力桁架锚索的理论与实践
- The spoiling is a key factor influencing the advance speed for the shaft excavation,especially for the excavation of large cross section and deep shaft. 对于竖井开挖 ,尤其是大断面深竖井开挖 ,出碴这一环节 ,往往是决定掘进速度快慢的关键因素。
- Dae Jang square welded components large cross section of weld cladding weld necessarily lead to a larger deformation, must try to prevent. 方形焊接构件大长焊缝大截面熔敷必然造成较大的焊接变形,必须设法预防。
- New Technology of Rock Refuse Discharge for Mechanized Operation Line in Large Cross Section Rock Roadway Excavation 大断面岩巷机械化作业线排矸新工艺
- Research on Support Technology for Mine Large Cross Section Soft Rock Roadway in High Stressed Broken Zone 高应力破碎带松软岩层大断面巷道支护技术研究
- Keywords Large cross section coal roadway New continuous drivage technology Self-mobile roof bolter(roper); 关键词大断面煤巷;新型连掘技术;自移式锚杆(索)机;
- Study of Rib Waveguides with Large Cross Section 脊形波导大截面理论研究
- mine large cross section chamber 大断面硐室
- chamber with large cross section 大断面硐室
- A pillar, rectangular in cross section, supporting an arch or roof. 支柱交叉处的长方形柱子,支撑一个拱顶或屋顶
- A concave molding with a cross section that approximates a quarter circle. 飞檐的凹圆线脚截面近于九十度弧的凹线脚
- A specific layer of soil or subsoil in a vertical cross section of land. 地层,岩层处于土地的垂直横截面中的某一具体土层或次土层