胶圈电熔双密封聚乙烯复合管RESP
胶圈电熔双密封聚乙烯复合管材
polyethylene composite pipes with double seals jointing
of rubber ring and electric melting
一端具有胶圈电熔双密封接口的聚乙烯复合管材。缩写为 RESP。
胶圈电熔双密封聚乙烯复合管件 pipe fittings with double seals jointing of rubber ring and
electric melting
一端或两端具有胶圈电熔双密封接口的聚乙烯复合管件。缩写为 RESF。