By means of the economic analysis of the whole drilling rig, the author proclaims that the hydraulic coupling drive is excel to the hydraulic torque converter drive, and it is the direction of development of mechanical drilling rigs.
英
美
- 做了全鉆機經(jīng)濟性分析。 最終得出液力偶合器傳動(dòng)優(yōu)于液力變矩器傳動(dòng)的結論,認為液力偶合器傳動(dòng)將成為機械驅動(dòng)鉆機的發(fā)展方向。
