In recent years, sewagegas explosion occur in many Chinese cities.
近年来，我国大中型城市时常出现下水道爆炸事件。
2
One-third of the city was reported to be without electricity, with widespread damage to roads, water, sewage and gas infrastructure.
据报道城市三分之一的区域已停电，大面积的道路、自来水、下水道和燃气设施受到损毁。
3
Instead, as part of his job, he visits newly decorated apartments to inspect the heating systems, gas pipes, sewage systems, window glasses and even the air quality in rooms.