其中，顶板岩层结构探测仪是集成在风动锚杆钻机上，数据处理采用训练成熟的BP算法神经网络进行结构的识别；
Thes detecting structure instrument of the roof rock is integrated in the pneumatic bolt drill and data processing is adopted BP algorithm of mature net to identify the structure.
其中液压启闭塔孔钻机和一个0.16立方米液压泥炮将安装在同一侧的塔孔预见的。
One hydraulic operated tap hole driller and one 0.16 m3 hydraulic clay gun to be installed at the same side of the tap hole is foreseen.
与去年同期相比，全美钻机数量减少了202台，其中石油钻台减少了122台，天然气钻台减少了82台，混合型钻台增加了2台。
Compared to this time last year, the overall us rig count is down by 202 RIGS, with oil RIGS down by 122, gas RIGS down by 82, and miscellaneous RIGS up by two.
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