- 1. 螺杆钻具: PDM drill
螺杆钻具（PDM drill），是一种井下动力钻具。
dict.youdao.com - 2. 螺杆钻具: helicoid hydraulic motor
... helicograph 螺旋规 helicoid hydraulic motor 螺杆钻具 helicoid 螺旋面 ...
dict.youdao.com - 3. 螺杆钻具: positive displacement motor
... 涡轮钻井turbo-drilling 涡轮钻具turbo-drill 电动钻具electric drill 螺杆钻具positive displacement motor 涡轮工作特性characteristics of turbine ...
dict.youdao.com - 4. 螺杆钻具: spiral drilling rig
... semisubmersible drilling rig 半潜式钻油台 specification of drilling rig 钻机技术规范 spiral drilling rig 螺杆钻具 ...
dict.youdao.com - 5. 导向螺杆钻具: stearablea emly
dict.youdao.com - 6. 多瓣螺杆钻具: multi-lobe motor
dict.youdao.com - 7. 弯螺杆钻具: bended screw drill
dict.youdao.com - 8. 单瓣螺杆钻具: single-lobe motor
dict.youdao.com - 9. 螺杆钻具级数: stages of screw drill
dict.youdao.com - 10. 螺杆钻具旁通阀: by-pass valve of screw drill
dict.youdao.com
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