1、制作工艺
1. Manufacturing Technology
塑料检查井：以高分子树脂为原料，工厂预制生产，一次注塑成型，质量稳定可控。
Plastic inspection well: With high polymer resin as raw material, factory prefabricated production, once injection molding, stable and controllable quality.dakeluo.89ix.comdiaosu.71ix.comjinggaiz.89ix.comwusuanna.89ix.com jinggaif.89ix.comliuliangji.37ix.com.cn
传统砖砌检查井：以粘土实心砖、水泥、黄砂为材料，现场手工制作。
Traditional brick inspection wells are manufactured on site with clay solid bricks, cement and yellow sand as materials.