改装是在XY - 44型矿用钻机基础上，增设了自动回转塔架部分，从而使钻机功能更加完善。
This modification in the XY-44 Mine drilling rig based on the addition of automatic revolving tower of the drilling rig so that the function will be more perfected.
今后，我们在保持陆地钻机优势的基础上，将围绕传统能源和新能源实施相关多元化的布局。
In future, we will implement a strategy of related diversification in the fields of traditional energies and new energies on the basis of maintaining our advantages in land drilling RIGS.
在全面分析钻井机械的组成、钻进过程的特点和人的特性的基础上，建立钻机钻进过程人机系统可靠性模型。
Based on an analysis of the composition of drilling rig, characteristics of drilling process, and human features, a reliability model of man-machine control system for drilling process is established.
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