It is difficult to maintenance the wire communication device in the pit because the ground is wet, cable corrosion is serious and sign al is bad.
由于煤矿井下地面潮湿，电缆腐蚀严重，信号不好，有线通信装置维护困难。
This paper presents an engineering example for the application of pre-stressing cable in supporting excavated slope in the west open-pit of the Pingzhuang coalmine.
本文介绍了预应力锚索加固在露天煤矿非工作帮的应用实例，就不同条件及不同加固参数的边坡加固效果进行了研究。
Before the cable stripping firstly check whether there is cable injury, working pit is suitable or not.
光缆开剥前首先检查光缆是否有损伤，工作坑是否合适。
Before the cable stripping firstly check whether there is cable injury, working pit is suitable or not.
光缆开剥前首先检查光缆是否有损伤，工作坑是否合适。
应用推荐