圓棒D. 冷軋鋼鋼板. SPCC. 鋼板t. 36,38,40,42,44,45,50,55,60,65,70,75,80,85,90,100,110,120,130. 3,5,6,7,8,9,10,11,12,13,14,17,19,21,22,23,24,26,27,29,30,32,35 ...
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