丙(bing)烯(xi)酸泡(pao)沫板(ban)(ban)发泡(pao)保(bao)(bao)暖(nuan)层管(guan)道，总称：高规格聚丁二烯(xi)氟塑料件外(wai)护丙(bing)烯(xi)酸泡(pao)沫板(ban)(ban)发泡(pao)泡(pao)沫板(ban)(ban)预制板(ban)(ban)直埋保(bao)(bao)暖(nu💖an)层管(guan)，ඣ由保(bao)(bao)送生媒质的工(gong)作焊接钢管(guan)、丙(bing)烯(xi)酸泡(pao)沫板(ban)(ban)发泡(pao)保(bao)(bao)暖(nuan)层层、聚丁二烯(xi)氟塑料件外(wai)护管(guan)，依(yi)靠时主设备顺次(ci)向(xiang)外(wai)联系而成(cheng)。