Practices on floor heave prevention and control technology of mining gateway in Wuyang Mine;
根据研究结果，提出采用在巷道底板上分期安装锚杆的方法，可有效地防治巷道底鼓。
A full length recoverable resin metal bolt is a new bolt applied to the sidewall of the mining gateway in the mine with a good anchoring effect and recoverable advantage for reapplication.
全长可回收树脂金属锚杆是一种新型煤矿回采巷道帮用锚杆，具有锚固效果好、可回收复用的优点。
A full length recoverable resin metal bolt is a new bolt applied to the sidewall of the mining gateway in the mine with a good anchoring effect and recoverable advantage for reapplication.
全长可回收树脂金属锚杆是一种新型煤矿回采巷道帮用锚杆，具有锚固效果好、可回收复用的优点。
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