We obtained some experiences by drilling well from ground test.

地面钻井开发通过在各矿区的试验,取得了一定的开发经验.

互联网

This paper introduces a telescopiform bolt in hole mouth and it under ground test.

介绍了一种孔口可拉伸锚杆及其现场试验情况.

互联网

The key technologies such as system design, dynamic simulation, parts development and ground test were analyzed.

分析了对接机构的总体设计 、 动力学仿真 、 部件研制和地面试验等关键技术.

互联网