gas main laying works 铺设煤气总管工程 ; 煤气总管
inert gas main 惰气总 ; 惰性气体总管
natural gas main 天然总管
waste gas main duct 废气总管
rich gas main 富煤气主管
cross-harbour gas main 跨海煤气管
underwater gas main 海底煤气总管
gas main duct 煤气总管
lean gas main 贫煤气主管
N a large pipeline in which gas is carried for distribution through smaller pipes to consumers 煤气总管
A gas main had cracked under my neighbour's garage and gas had seeped into our homes.
邻居家车库下的煤气主管道破裂了，煤气渗漏进我们家。
She was ordered out of her home by a fire marshal because the house next door had an explosion from a leaking gas main.
她被消防队长命令离开自己的家，因为隔壁房的煤气主管道泄漏发生了爆炸。
A study by the University of Manchester calculated the emissions of CO2—the main greenhouse gas responsible for climate change—at every stage of microwaves, from manufacture to waste disposal.
曼彻斯特大学的一项研究计算了二氧化碳（造成气候变化的主要温室气体）在微波炉生产的每个阶段的排放量，从产品制造到废物处理。
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