另外使用混凝土检查井模块砌筑出来的检查井、排水井不容易出现坍塌，下沉，漏水等现象，井壁墙体模块机械性能稳定，操作简单，成形尺寸标准。
In addition, phenomena such as collapse, sink or water leakage are rare in the inspection shafts and pumping shafts laid with concrete inspection shaft modules, with stable mechanical performance in shaft wall modules, easy operation and standard forming size.