roofbolt

常见例句

Function and application of MQT series pneumatic roofbolt(cable) drilling
MQT系列气动锚杆(锚索)钻机的性能与应用
Keywords Straight-weld pipe mill;Roll;Groove;Cold-bended steel section;Roofbolt for mining service.;
关键词直缝焊管机组;轧辊;孔型;冷弯型钢;矿用锚杆;
USE ADVANCE ROOFBOLT SHOT CYCLING TECHNIQUE FOR OVERCOMING TECHNICALLY DIFFICULT PROBLEMS OF TUNNEL PORTAL CONSTRUCTION IN SANDY GRAVEL
利用超前锚杆短循环法解决在砂砾石地层中隧洞挂口的技术难题
roofbolt shoring
锚杆支护