国产午夜成人免费看片app_亚洲欧洲精品无码av水中_一级毛片成人午夜_国产精品亚洲欧美大片在线看_亚洲视频一区免费_国产欧美日韩丝袜在线视频_精品一二三四区_午夜国产资源在线_亚洲免费视频网_大伊香蕉AV最新播放

ZJD4000/350C type

Technical parameter

NameZJD4000/350C
Maximum drilling diameter /mΦ4.0
Maximum drilling depth /m160
Maximum lifting force /t220
Guide frame inclination /degree25
Power head inclination /degree55
Crane /t2
Power head speed /rpm0~6
Power head speed /t·m35
Power head torque /rpm0~15
Power head torque /t·m16
Drill rod specifications /mmΦ377*24*3000
power supply3PH-380V-50HZ
Total power /kW311.5
Machine size /m7.26*7.5*7.7
Machine weight /t56
Slagging methodGas lift reverse circulation