標準尺寸. 6,9,12,13,14,16,19,22,25,28,30,32,35,38,40,45,50,55,60,65,. 70,75,80,85,90 ... 冷軋鋼鋼板. SPCC. 鋼板t. 36,38,40,42,44,45,50,55,60,65,70,75,80,85 ...
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