URL details: www.ahfengchuan.com/new1.asp?id=1033&type1=70
URL title:
是如何解决污水检查井不均匀沉降的问题的-安徽枫川塑胶有限公司
URL paragraphs:
污水检查井选用 PE 材料注塑工艺,不仅产品本身密闭性好,而且与塑料排水管道之间材质相同,并且二者由胶圈作为中介物,采用承插式的柔性连接,使得污水检查井和塑料管道处于均匀沉降的
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