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益阳市桃江久通锑业有限责任公司是一个百年老矿,随着开采时间的增长,采矿难度越来越大,岩层破碎严重,采场与运输巷道垮塌防不胜防。
Yiyang Taojiang Jiu Tong Antimony Co., Ltd. is a hundred-year-old mine. With the increase of mining time, it is more and more difficult to mine and the rocks are severed severely. It is hard to prevent the collapse of stope and transportation lane.