色播亚洲视频在线观看,国产三线在线,粉嫩av亚洲一区二区图片,97精品国产97久久久久久久久久久久

2012年小口徑冷拔無縫鋼管規格表（圖）

規格	規格	規格
6-8*1-1.5-2.5	10*1-1.5-2-2.5-3	12*1-1.5-2-2.5-3-3.5-4-4.5
14*1.5-2-2.5-3-3.5-4	16*1.5—2-2.5-3-3.5-4-4.5-5-5.5	18*1-2-2.5-3-3.5-4-5-6
19*1.5-2-2.5-3-3.5-4-4.5-5-6	20*1.5-2-2.5-3-3.5-4-4.5-5-6	21*2.5-3-3.5-4-5-6
22*2-2.5-3-3.5-4-4.5-5-6-7-8	24*2.5-3-4-5-6	25*2-2.5-3-3.5-4-4.5-5-5.5-6-7
27*2.5-3-3.5-4-4.5-5-5.5-6-7	28*2-2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-8	30*1.5-2-2.5-3-3.5-4-4.5-5-5.5-6-7-8
32*2-2.5-3-3.5-4-4.5-5-6-7-7.5-8-9-10	34*2-2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-7.5-8-9	36*3-3.5-4-4.5-5-5.5-6-7-8
38*2-2.5-3-3.5-4-4.5-5-5.5-6-7-8-9-10	40*2-2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-7.5-8-9-10	48*2-2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-8-9-10
45*2-2.5-3-3.5-4-4.5-5-5.5-6-7-7.5-8-8.5-9-10-11-12	48*2.5-3-3.5-4-4.5-5-5.5-6-7-8-8.5-9-10-11-12	50*2-2.5-3-3.5-4-4.5-5-6-7-8-9-10-11-12
51*3-3.5-4-4.5-5-5.5-6-7-8-8.5-9-10	54*2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-8-8.5-9-10-11-12-14	57*3-3.5-4-4.5-5-5.5-6-7-8-9-9.5-10-12-14-15
60*2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-75。。5-8-9-10-11-12-14	63.5*2.5-3-3.5-4-4.5-5-5.5-6-7-8-9-10-14-15-16	68*3-3.5-4-4.5-5-5.5-6-7-8-9-10-11-12-14-16
70*3-3.5-4-4.5-5-6-6.5-7-8-9-10-11-12-14-16	73*3-3.5-4-4.5-5-5.5-6-7-8-10-11-12-14-15-16-18-20	76*3.5-4-4.5-5-5.5-6-6.5-7-8-9-10-11-12-12.5-14-15-16-18-20
80*3-4-4.5-5-6-7-7.5-8-10-12-14-16-18-20	83*4-4.5-5-6-7-8-9-10-11-12-13-14-15-16-18-20-22-25	89*3.5-4-4.5-5-5.5-6-6.5-7-7.5-8-8.5-9-10-11-12-13-14-15-16-18-20-22-25
95*4.5-5-5.5-6-7-8-9-10-11-12-13-14-15-16-18-20-22-25	102*4-4.5-5-5.5-6-7-8-9-10-11-12-13-14-15-16-18-20-22-25-28-30	108*4-4.5-5-5.5-6-6.5-7-7.5-8-9-10-11-12-14-15-16-18-20-22-25-28-30