矿岩开挖松动区厚度预测及非爆机械化开采判据
景岳,王少锋,鲁金涛

Thickness Prediction of the Excavation Damage Zone and Non-explosive Mechanized Mining Criterion
Yue JING,Shaofeng WANG,Jintao LU
图4 监测及连接设备
a-钻孔电视;b-钻孔摄像头;c-连接螺母;d-金属连接杆;e-位移罗盘;f-摄像头连接线;g-位移罗盘连接线;h-摄像头连接头;i-摄像头连接插头;j-位移罗盘连接插头
Fig.4 Monitoring and connecting devices