It is widely used in coal mine roadway, working surface, and other fields of roadway. It got better efficacy on unstable surrounding rocks.
广泛应用于矿井下巷道，工作面切眼，峒室及其它领域的巷道支护，对处理不稳定围岩效果更佳。
It is widely used in coal mine roadway, working surface, and other fields of roadway. It got better efficacy on unstable surrounding rocks.
广泛应用于矿井下巷道，工作面切眼，峒室及其它领域的巷道支护，对处理不稳定围岩效果更佳。
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