輕量型鋼. 輕量型鋼. 規格品: 請選擇規格, 75x45x15 (t=1.6), 75x45x15 (t=2.0), 75x45x15 (t=2.3), 100x50x20 (t=1.6), 100x50x20 (t=2.0), 100x50x20 (t=2.3) ...
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