coal mine drainage

短语词组

短語

• coal -mine drainage 煤鑛鑛井水
• acid coal mine drainage 煤鑛酸性鑛井水
• coal mine drainage drilling 煤鑛排水孔
• coal mine drainage resources 鑛井水資源化
• Coal Mine Gas Drainage 煤鑛瓦斯抽放
• coal mine drainage pump 煤鑛排水泵
• alkalescent coal mine drainage 偏堿性鑛井水
• natural coal mine drainage pit 排水鑛坑
• Acid Coal Mine Drainage ACMD 煤鑛酸性廢水
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