黄瓜视频下载

·管線管

　　用于石(shi)油、天(tian)然氣工業中的氣、水、油輸送。公司管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)產(chan)品現已(yi)形成高強管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)、海底管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)、耐低溫管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)、耐高溫管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)、抗(kang)腐(fu)蝕(shi)管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)等多用途、高檔(dang)次產(chan)品的制造能力。強度級(ji)別高達：API 5L*100。管(guan)(guan)(guan)徑范圍：114.3～460mm。