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1·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。《柯林斯英汉双解大词典》

2·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。《柯林斯英汉双解大词典》

3·A bulldozer had severed a gas main.

推土机切断了一条煤气总管道。

4·An exploding gas main shattered the tiles in the courtyard.

爆炸的煤气主要管线把院子里的瓦片都震碎了。

5·Police were quickly on the scene, and there was a small explosion possibly caused by a ruptured gas main.

警方迅速到达现场后发现可能由于煤气管道破裂引起小型爆炸。

6·One of the cars he was towing flew off and struck a house, crushing the air conditioner and gas main system, according to Fire Chief Barry Kobrin.

他拖的其中一辆车飞了出去撞到了一所房子上，撞碎了空调和天然气主要管道。据消防队长Kobrin说。

7·Through successful leakage stoppage and cladding of a new compensator, it realized on-line overhaul of a gas main pipe network of the large coke oven.

焦煤主管道鼓型补偿器严重腐蚀泄漏，通过成功堵漏和新补偿器包覆，实现了腐蚀泄漏严重的大型焦炉煤气主管网的不停产在线检修。

8·The reason of excessive oxygen content in gas main pipe of two-stage water gas gasifier during hot reserve is analyzed, and improvement measures are put forward.

分析了水煤气两段炉热备阶段煤气总管中氧含量超标的原因，提出了解决措施。

9·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。

10·What is the main greenhouse gas?

主要的温室气体有哪些？