鋼管，無縫鋼管銷售公司-寶雞鋼管成功試制X100鋼級Φ1219×15.3mm螺旋焊管http://xbncp.com/blog/post/1149.htmlRainbowSoft Studio Z-Blog 1.8 Arwen Build 81206zh-CNThu, 15 Apr 2010 19:38:07 +0800