| 例句 |
They're laying a new gas main through the town.他们正在铺设穿过这个镇的一条新的煤气主管道。A bulldozer had severed a gas main.一辆推土机切断了主煤气管。A gas main had cracked under my neighbour's garage and gas had seeped into our homes.邻居车库下面的煤气总管裂开了，煤气渗入了我们家。A gas main had cracked under my neighbour's garage and gas had seeped into our home.邻居车库下面的一根煤气总管裂开了，煤气渗进了我们家。 |