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1. | 矿井水灾 矿山安全术语... ... 安全水头 safety water head 矿井水灾 mine water disaster 矿井探水 water prospecting of mine ... www.linan.gov.cn | 2. | 煤矿水害 煤矿水灾害,coal mine... ... ) mine disaster 煤矿灾害 ) mine water disaster 煤矿水害 ) coal mine flood 煤矿水害 ... www.dictall.com | 3. | 矿井水害 矿井水害,mine water... ... ) mine water disaster 矿井水害 ) Mine flood 矿井水害 ... www.dictall.com |
4. | 矿山水害 矿山水害,mine water... ... ) mine water disaster 矿山水害 ) mine water disaster governing 矿山水害治理 ... www.dictall.com |
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