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华蓥山矿务局绿水洞煤矿洗选厂自1987年底开始动工兴建,历时两年零一个月,于1990年元月正式交付使用。
The construction of the Wusongshan Coal Mine Lvshuidong Coal Mine Washery started construction at the end of 1987 and lasted two years and one month. It was officially delivered in January 1990.