roofbolt

常见例句

Function and application of MQT series pneumatic roofbolt(cable) drilling
MQT系列氣動錨杆(錨索)鑽機的性能與應用
Keywords Straight-weld pipe mill;Roll;Groove;Cold-bended steel section;Roofbolt for mining service.;
關鍵詞直縫銲琯機組;軋輥;孔型;冷彎型鋼;鑛用錨杆;
USE ADVANCE ROOFBOLT SHOT CYCLING TECHNIQUE FOR OVERCOMING TECHNICALLY DIFFICULT PROBLEMS OF TUNNEL PORTAL CONSTRUCTION IN SANDY GRAVEL
利用超前錨杆短循環法解決在砂礫石地層中隧洞掛口的技術難題
roofbolt shoring
錨杆支護