mine drainage
短语词组
- Mine face drainage pumps 矿山排水泵
- mine gas drainage 矿井瓦斯抽放
- mine acidic drainage 矿山酸性废水
- mine gas drainage plant 矿井瓦斯排泄装置
- Coal Mine Gas Drainage 煤矿瓦斯抽放
- acid mine drainage 酸性矿山废水;酸性矿排水;[矿业]排泄酸性矿水
- mine drainage pollution 矿山排水造成的污染
- mine drainage gas 矿井气
- coal mine drainage 煤矿排水 返回 mine drainage