.无缝钢管规格表大全 6*18*1-1.5-2-2.5-310*1-1.5-2-2.5-312*1-2-2.5-3-414*1.5-2-3-416*2-3-4-618*2-3-4-620*2-3-4-622-2-3-4-6-825*2-3-4-5-6-8-1028*2.5-3-5-8-10-1230*3-4-5-9-12-14-32*3-4-6-8-12-1448*3-6-8-10-12-14-1651*5-6-8-10-12-14-1657*3.5-5-6-8-10-12-14-1660*4-5-6-8-10-12-14-1668*3.5-6-8-10-12-14-1670*3.5-6-8-10-12-14-16-2076*3.5-6-8-10-12-14-16-2083*4-6-8-10-12-14-16-2089*4-6-8-10-12-14-16-20102*4-6-8-10-14-18-25-30108*4-6-8-10-14-1
