無縫鋼管規(guī)格= DZ40無縫鋼管規(guī)格
發(fā)布者：管理員 發(fā)布時(shí)間：2016/6/17 閱讀：1332次
地質(zhì)管規(guī)格= DZ40地質(zhì)管規(guī)格
42*5/6/6.2 50*6/6.5 60.3*7.1 63.5*7.1/7.5 73*4.5/5.5/6.5/9 83*25 89*4.5/5.5/6.5/9.5 108*4.5/5.5/6.5 110*8 127*4.5/6.5/9.19 130*8 146*5/7150/8 168*6.5 shqcgps.com shqcgps.com