坑(keng)道鉆(zhan)(zhan)(zhan)機是指(zhi)煤礦用(yong)全液壓(ya)(ya)坑(keng)道鉆(zhan)(zhan)(zhan)機,煤礦用(yong)全液壓(ya)(ya)坑(keng)道鉆(zhan)(zhan)(zhan)機主(zhu)要(yao)使用(yong)硬質合金、金剛石(shi)復(fu)合片鉆(zhan)(zhan)(zhan)頭回轉鉆(zhan)(zhan)(zhan)進(jin),液壓(ya)(ya)坑(keng)道鉆(zhan)(zhan)(zhan)機廣(guang)泛用(yong)于礦井內不同(tong)角度(du)的(de)探(tan)水(shui)、注水(shui)、探(tan)放(fang)瓦斯孔(kong)及(ji)地質勘探(tan)、邊(bian)坡(po)錨固等鉆(zhan)(zhan)(zhan)孔(kong)施工
評分: |