成人在线免费观看视频-中文字幕一区二区三区乱码-日韩在线播放视频-少妇综合-九九久久久-三级a毛片-国产黄色三级-亚洲第一黄-免费观看高清在线-婷婷深爱五月-一级黄色免费观看-69热在线观看-黑丝啪啪-国产日韩欧美高清-日韩二区在线观看-91久久精品国产91性色69-玖玖色在线-婷婷社区五月天-日韩最新中文字幕-久久天天躁狠狠躁夜夜躁

無縫鋼管現貨規格

14*2-2.2-4	83*4.5-5-6-8-10-12-14-16	159*16-18-22-25-30	351*10-12-14-16-18
16*2-2.2-4	89*4.5-5-6-7-10-14-16-20	168*4.5-5-6-8-10-12-14-16	351*20-22-25-28-30
18*2-2.5-5	90*5-6-8-10-12-14-16-20	168*18-20-22-25-30-35	351*32-35-40-45-55
20*2-2.5-3-4.5	95*6-8-10-12-14-16-20	180*6-7-8-10-12-14-16	377*10-12-14-18
22*2-2.5-3-4	102*4.5-5-6-8-10-12-14	180*18-22-25-28-30-35	377*20-22-25-28-30
25*2.5-3-4-5	102*16-18-20-22-25	194*6-7-8-9-10-12-14-16	377*32-35-38-40-45-60
28*2.5-3-4.5	108*4.5-6-8-10-12-14	194*18-20-22-25-30-35	402*10-12-14-16-18-20
30*3-3.5-4-6	108*16-20-22-25-28	203*6-7-8-10-12-14-16	402*22-25-28-30-34
32*3-3.5-4-5-6	114*4.5-5-6-7-8-10-12	203*18-20-22-25-35-40	402*38-40-45-50-55-60
34*3-3.5-4-5-6	114*14-16-18-20-22-25	219*6-7-8-10-12-14	406*10-12-14-16-18-20
38*3-3.5-4-5-6	121*4.5-5-6-8-10-12-14-16	219*16-18-20-22-25	406*22-25-28-30-32
42*4-6-5-6-7-8-10	121*18-20-22-25-30	219*28-30-35-40-45	406*35-40-45-50-55-60
45*3.5-4-6-8-10-12	127*4.5-5-6-8-10-12-14-16	245*8-9-10-12	426*10-12-14-16-18-20
48*3.5-4-6-8-10-12	127*18-20-22-28-30	245*14-16-18-20-22	426*22-25-28-30-32
51*3.5-4-6-8-10	133*4.5-5-6-7-8-10-12-14	245*25-28-30-32-35-38-40	426*35-40-45-50-55-60
54*3.5-4-6-7-8-10	133*16-18-20-22-25	273*7-8-9-10-12-14-16-18	450*10-12-16-35-50
57*3.5-4-6-7-8-10	140*4.5-5-6-7-8-10-12-14	273*20-22-25-28-30	457*12-16-18-20-45
60*3.5-4-5-6-7-8-10	140*16-18-20-22-25-28	273*32-35-40-50	480*12-14-20-25-50-60
63.5*4-6-8-9-10-12	146*4.5-5-6-8-10-12-14-16	299*10-12-14-16-18-20	508*12-20-30-40-55-60
68*4-6-8-10-12-14	146*18-20-22-25-30	299*22-25-28-30-35-40-45	510*12-20-30-40-50-60
70*4-6-8-10-12-14	152*4.5-5-6-8-10-12-14	325*8-9-10-12-14-16-18	530*12-14-16-18-30-40-60
73*4-6-8-10-12-16	152*16-18-20-22-28	325*20-22-25-28-30	630*12-14-16-20-25
76*4-6-7-8-12-16-20	159*5-6-8-10-12-14	325*32-35-40-45-50	630*30-50-60