Combining work practice, the paper focuses on the coal mine's adopting of anchor hollow bar supporting roadway mechanism, construction process and its technique parameters.
结合工作实际，重点介绍了煤矿采用端锚式注浆锚杆支护巷道机理、施工工艺及其技术参数。
2
Temporary supporting is a requisite working procedure for bolting work in full mechanized roadway excavation face.
综掘巷道采用锚杆支护时，临时支护是必不可少的一道工序。
3
The traffic signal controller is important for reducing the work intensity of traffic policemen and for increasing the traffic security of roadway.