槽钢规格表大全(3)

2010槽钢规格表大全（最新）名型号明细规格理论重量槽钢5#50*37*4.55.438槽钢6.3#63*40*4.86.634槽钢8#80*43*5.08.046槽钢10#100*48*5.310.