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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The utility model belongs to the technical field of the coal mine tunnel safety support. Concretely speaking the utility model relates to a plastic anchoring sleeve.