roofbolt

常見例句

Function and application of MQT series pneumatic roofbolt(cable) drilling
MQT系列氣動錨桿(錨索)鉆機的性能與應(yīng)用
Keywords Straight-weld pipe mill;Roll;Groove;Cold-bended steel section;Roofbolt for mining service.;
關(guān)鍵詞直縫焊管機組;軋輥;孔型;冷彎型鋼;礦用錨桿;
USE ADVANCE ROOFBOLT SHOT CYCLING TECHNIQUE FOR OVERCOMING TECHNICALLY DIFFICULT PROBLEMS OF TUNNEL PORTAL CONSTRUCTION IN SANDY GRAVEL
利用超前錨桿短循環(huán)法解決在砂礫石地層中隧洞掛口的技術(shù)難題
roofbolt shoring
錨桿支護