以济宁岱庄煤矿石膏体充填孔为例，介绍了该孔的设计、主要技术要求及钻进技术参数。
To take the gypsum body filling borehole in the Daizhuang coalmine, Jining as an example, introduced borehole design, main specifications and drilling technical parameters.
以济宁岱庄煤矿石膏体充填孔为例，介绍了该孔的设计、主要技术要求及钻进技术参数。
To take the gypsum body filling borehole in the Daizhuang coalmine, Jining as an example, introduced borehole design, main specifications and drilling technical parameters.
应用推荐