The combined support with cable boltwire mesh and shotcreting is applied in coal roadway in Xingan coal Mine of Hegang Mining Industry Group.
鹤岗矿业集团兴安煤矿在煤巷中应用锚索锚杆挂网喷喧支护,取得了较好的技术经济效果。
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When the voltage is increased to a critical level, silver ions form and quickly branch through the organic monolayer to the gold wire just like a lightning bolt except solid.
Second, on the ground made the rockery after expansion bolt welded steel keel, and then tied the wire mesh, plaster, then treat its sixty percent dryness according to sweep.