“矿井”造句

周围的矿井里的确有沼气聚积。
Methane gas does collect in the mines around here.

尽管矿井的安全状况有了很大改善，矿工的家属仍然害怕最糟的情况会发生。
Though mine safety has much improved, miners' families still fear the worst.

矿井中用钢制通风机来保持空气流通。
The pit is ventilated by a steel fan.

• #矿井