manhole-cover检修孔盖
manhole-cover-sized沙井盖大小的
sunk manhole cover埋入式人孔盖
hinged manhole cover铰链式人孔盖
raised manhole cover升高人孔盖;凸起式人孔盖
tight manhole cover紧密窑井盖;检查井密盖
Manhole cover series人孔盖系列
manhole cover chain人孔盖链
manhole with rotatable cover回转盖入孔
With a summary on the existing problems of inspection wells in urban road,it analyzes causes of diseases surrounding the manhole cover of inspection wells from five aspects. It discusses specific solutions in light of four diseases.
总结出城市道路检查井存在的问题,从五方面分析了检查井井盖周围病害原因,针对四种病害探讨了具体的解决办法,从而减少城市主干道检查井周围病害,保证道路的完整性和稳定性。
参考来源 - 浅析检查井在城市道路中的病害