6~#10,SD420W, fy=4200kgf/cm? 2.鋼材, ASTM A36, fy=2500kgf/cm? 更衣間頂層結構平面圖. A1 Scale:1/200 Unit:cm. A3 Scale:1/400 Unit:cm. SEET.NO.
確定! 回上一頁