... 9, 8, 26.35, 20.7, 常用鋼種. 150 x 150, 150 x 150, 7, 10, 8, 39.65, 31.1, 常用鋼種. 175 x ... 21, 22, 218.7, 172, 常用鋼種. 388 x 402, 15, 15, 22, 178.5, 140. 406 ...
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