雙(shuang)壁(bi)(bi)纖(xian)維(wei)(wei)網(wang)鋼骨架(jia)(jia)(jia)復合(he)管(guan)以(yi)聚(ju)乙烯（PE）樹脂(zhi)為原材料，采用(yong)(yong)(yong)雙(shuang)層(ceng)共擠工藝成(cheng)型(xing)為內壁(bi)(bi)藍色、外(wai)壁(bi)(bi)黑色的(de)內層(ceng)“凹(ao)”形(xing)中空板帶(dai)，用(yong)(yong)(yong)鍍鋅鋼帶(dai)軋制(zhi)成(cheng)型(xing)為“Ω”形(xing)的(de)鋼骨架(jia)(jia)(jia)機械卡扣在“凹(ao)”形(xing)中空板帶(dai)中作為主要(yao)支撐結(jie)構，外(wai)壁(bi)(bi)用(yong)(yong)(yong)纖(xian)維(wei)(wei)網(wang)（玄武巖纖(xian)維(wei)(wei)或玻璃纖(xian)維(wei)(wei)）增強的(de)復合(he)聚(ju)乙烯層(ceng)，使用(yong)(yong)(yong)纏繞成(cheng)型(xing)工藝，加工制(zhi)成(cheng)內壁(bi)(bi)平直光滑(hua)、外(wai)壁(bi)(bi)呈螺(luo)旋波(bo)紋(wen)狀(zhuang)的(de)雙(shuang)壁(bi)(bi)纖(xian)維(wei)(wei)網(wang)鋼骨架(jia)(jia)(jia)復合(he)管(guan)（簡稱(cheng)“DFSP”管(guan)道）。