从理论和实践两方面分析了桃坪河磷矿采用自然通风的可行性。
The feasibility of applying natural draft ventilation in Taopinghe phosphate mine was studied from bath aspects in theory and practice .
面对似乎无法回避的现代文明，村民们拿出了也许是桃坪寨的最后宝藏。
As a response to the unavoidable intrusion of modern civilization, the villagers are exploiting what is probably their last treasure.
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