(219*6无缝钢管多少钱一米)
无缝钢管规格型号直径表如下DN公称直径,Ф外径DN15ф22mm,DN20ф27mmDN25ф34mm,DN32ф42mmDN40ф48mm,DN50ф60mmDN65ф7673mm,DN80ф89mmDN100ф114mm,DN125ф140mmDN150ф168mm;无缝钢管219*1220从表面上分析,...
无缝钢管规格型号直径表如下DN公称直径,Ф外径DN15ф22mm,DN20ф27mmDN25ф34mm,DN32ф42mmDN40ф48mm,DN50ф60mmDN65ф7673mm,DN80ф89mmDN100ф114mm,DN125ф140mmDN150ф168mm;无缝钢管219*1220从表面上分析,...