Therefore, the capacity of the olod tailing store is increased, cost for a new one saved and the construction period shortened.
扩大了老坝库容，节省另建设新坝的费用和缩短了建设工期。
Therefore, the capacity of the olod tailing store is increased, cost for a new one saved and the construction period shortened.
扩大了老坝库容，节省另建设新坝的费用和缩短了建设工期。
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