banjobogieboring rigdollydrill carriagedrill truckdrill wagondrillcarriagedrilling jumbotruck-mounted drill rigwagon drill钻: drill; auger电钻车: electric drill car长进给钻车: long-feed drill jumbo单臂架钻车: single boom jumbo; single-boom jumbo单臂钻车: single arm rig; single boom jumbo下载手机词典可随时随地查词查翻译