富民 槽钢 专业生产槽钢 质量保证 价格优惠 厂家直销

执行标准及规格规格高度腿宽腰厚理重5#50374.55.4386.3#63404.86.6348#80435.08.04510#100485.310.00712#120535.512.05912.6#126535.512.31814#a140586.014.53514#b14060816.73316#a160636.517.2416#b160658.519.75218#a18068720.17418#b1807092320#a20073722.63720#b20075925.77722#a22077724.99922#b22079928.45325#a25078727.4125#b25080931.33525#c250821135.2628#a280827.531.42728#b280849.535.83228#c280861140.21930#a300857.534.46330#b300879.539.17330#c3008911.543.88332#a32088838.08332#b320901043.10732#c320921248.13136#a36096947.81436#b360981153.46636#c3601001359.11840#a4001001058.92840#b40010212.565.20840#c40010414.571.488