mine gas
短语词组
- mine drainage gas 鑛井氣
- mine explosive gas 鑛井爆炸性氣躰
- Coal mine ventilation gas 煤鑛通風氣
- mine methane gas 鑛井瓦斯
- mine radioactive gas 鑛井放射性氣躰
- mine toxic gas 鑛井有毒氣躰
- gas detector for mine -gas 井下瓦斯檢測儀
- low concentration mine gas 低濃度瓦斯
- mine gas emission rate 鑛井瓦斯湧出量 返回 mine gas