輕型鋼,C型鋼,鐵厝建材,東港,屏東,鐵材. ... A x B x C (mm), 厚度(mm), Kg/M. 75 x 45 x 15, 2.3, 3.25 ... 125 x 50 x 20, 2.3, 4.51. 125 x 50 x 20, 2.5, 4.9.
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