起: rise; get up; stand up下: below; down; under; undernea ...钻: drill; auger防护: protect; shelter; shield; gu ...仪: appearance; bearing起下钻: make a trip; round trip颈钻防护器: cervical drill guard短起下钻: short trip刮拭起下钻: wiper trip划眼起下钻: wiper trip扩眼起下钻: reaming trip起下钻方式: trimode起下钻杆: pulling and running the drill pipe起下钻具: make a trip起下钻脉冲: tripping pulse起下钻气: trigas起下钻气量: tg起下钻时间: time on trips起下钻显示: trishow起下钻阻卡: blockage during tri ing; blockage during tripping起下钻作业: round trip operations; tripping operation一次起下钻: round trip划眼起下钻;通井;刮拭起下钻: wiper trip控制起下钻气: control trigas双吊卡起下钻: triwith two elevators