英语词典
The compound support consisting of side and bottom bolting and bottom-hole destress blasting in the rise side floor of roadway can efficiently control the floor heaves of roadway so as to stabilize its surrounding rock.
采用帮底锚杆并在巷道上帮底角孔底爆破卸压的复合支护,可以有效地控制巷道的底鼓,达到巷道围岩的稳定。
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