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  3. 工法樣板
    樓梯工法樣板
    樓梯工法樣板
    樓梯工法樣板
    產品參數
    尺寸(m)長*寬*高:2.2*2.8*1.8
    材質及做法:鋼筋,支模,混凝土澆筑

    樓梯工法樣板
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