特点及适用范围
Characteristics and scope of application
一、特点
One, characteristic
运输安装方便、安装费用低、施工简便、迅速、工期短等特点；材料具有密封性好、实用寿命长、抗腐蚀性好、节能等优点。
Convenient transportation and installation, low installation cost, simple construction, rapid, short construction period, etc. Material has the advantages of good sealing, long practical life, good corrosion resistance, energy saving and so on.
采用专门开孔器，提高了开孔的效率。
Using special opener, the efficiency of opening is improved.
整体稳定性强，减少不均匀沉降的影响。
The overall stability is strong, and the effect of uneven settlement is reduced.
检查井不直接受力，提高检查井的适用性、耐久性。
The inspection well is not directly stressed and improves the applicability and durability of inspection wells.
二、适用范围
Two. Scope of application
适用于市政道路雨污排水、小区室外雨污排水系统。
It is suitable for rain and drainage of municipal roads and outdoor drainage system.