There is the dispute over the routing of a gas pipeline into County Mayo.对煤气管接入梅奥县的路线有争议。Our street is being piped for gas.我们这条街正在铺设煤气管。It is vital that leaking gas pipes are fixed immediately.泄漏的煤气管亟须立刻修好。A bulldozer had severed a gas main.一辆推土机切断了主煤气管。The workmen exposed the gas pipe.工人们挖开地面使煤气管露出。