钻机

On the whole, our website is the funest club for you.

总之，中国旋挖机网是旋挖机产品博览会，是旋挖机施人员俱乐部。

This new model of drilling machine can bore through solid rock ten metres deep.

这台机能透十米厚坚固岩石。

The fracturing process induced by different excavation sequence under final highwall with auger mining was numerically simulated.

对到界边坡下采用螺旋机开采煤柱不开采顺序引起破坏过进行了数值模拟。

Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

液压锚杆机是岩土锚固关键设备，对质量有重要影响。

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.

经过几年对锚杆机跟踪研究,发现锚杆机在围岩作业中常遇到软岩中有硬岩夹层现象,造成施过经常更换具问题。