low gaseous mine

例句：

1. 1. The low gaseous mine is a dangerous placeto explore.
   这个低瓦斯矿井是一个危险的探险地点。
2. 2. The mine has been closed dueto the low gaseous content.
   由于气体含量低，该矿井已关闭。
3. 3. The miners are working in the low gaseousmine, which is located in the mountains.
   矿工们正在山区的低瓦斯矿井工作。