形式多样的检查井（包括圆形、矩形和异形检查井）是城市道路、密集生活小区地下排水系统、电力电信系统、城市光缆通信系统等地下管线系统必需的基础设施之一。在现有的地下管线规划模式下，每一种管线都需要单独修建自己的检查井。
Inspection wells in various forms (including circular, rectangular and special-shaped inspection wells) are one of the necessary infrastructure of underground pipeline systems such as urban roads, underground drainage system of dense living quarters, power telecommunication system and urban optical cable communication system. Under the existing underground pipeline planning mode, each pipeline needs to build its own inspection well.