steerable turbodrill可控涡轮钻具

lowspeedhightorque turbodrill低速高扭矩涡轮钻具

coring turbodrill取心涡轮钻具

bent turbodrill弯涡轮钻具

stabilished turbodrill装稳定器的涡轮钻具

deflecting turbodrill造斜涡轮钻具;[油气] 变向涡轮钻具

directional turbodrill定向涡轮钻具

reactive turbodrill反作用式涡轮钻具

turbodrill l涡轮钻具

compound turbodrill复合涡轮钻具