什么是检查井？
What is a check well?
检查井俗称“窨井”，它是通过埋地与城市地下管网相连接的管网汇合枢纽，是便于定期检查、清洁和疏通管道，防止管道堵塞的工作站，凡是安埋有给水、排水、电信、电力、燃气、供热、消防、环卫等公用管网设施的地方就需要安装检查井。排水用检查井是城市中最常用的检查井。
Check the well known as the "manhole", it is connected by underground and city underground pipe network confluence hub, is convenient for regular inspection, cleaning and dredging pipeline, to prevent the blockage of the pipeline buried all workstations, safety of water supply and drainage, telecommunications, electricity, gas, heating, fire, sanitation and other public facilities of the local network you will need to install the inspection wells. The inspection well for drainage is the most commonly used inspection well in the city.