钻头: boring crown; bore bit; dril ...吃: eat; take; make入: enter深度: degree of depth; depth进尺: make hole; drilling depth; d ...速度: velocity; speed; blast; bat钻头进尺速度: bit penetration velocidad penetrante de taladro钻头进尺: bit footage; feet per bit; footage per bit; headway per drill bit钻头进尺数: bit footage; feed range每个钻头进尺: footage drilled per bit; footage per bit; headway per drill bit; production per point现时钻头进尺: btft一个钻头进尺数: hole per bit进尺速度: driving speed; penetration rate; penetration speed完成井平均钻头进尺: average completed well footage钻头进程: feed of drill硬合金齿吃入深度: carbide-insert burial钻头进给装置: drill feed钻头额定进尺数: drill bit cutoff钻头: boring crown; bore bit; drilling bit; [机械工程] bit (of a drill) 三牙轮钻头 three cone bit; 卸下钻头 break out a bit; 装上钻头 brace a bit钻头圆周速度: lineal travel渗入深度；插入深度: depth of penetration插入深度: depth of immersion; depth of penetration; depth of submersion打入深度: driving depth; ramming depth贯入深度: depth of penetation; depth of penetration; penetration depth浸入深度: immersion depth
