C型槽钢 载荷 /N 载荷等 分数 单位载 荷/N/mm 单位载荷 长度 /mm F=q*l n q c ACS-21 0 0 ACS-31 0 0 ACS-41 0 0 ACS-52 0 0 ACS-62 0 0 ACS-72 0 0 ACS-82 0 0 ACS-21D 0 0 ACS-41D 0 0 ACS-52D 0 0 ACS-52-72D 0 0 ACS-72D 0 0 ACS-21 0 0 ACS-31 0 0 ACS-41 0 0 ACS-52 0 0 ACS-62 0 0 ACS-72 0 0 ACS-82 0 0 ACS-21D 0 0 ACS-41D 0 0 ACS-52D 0 0 ACS-52-72D 0 0 ACS-72D 0 0 ACS-21 0 0 0 ACS-31 0 0 0 ACS-41 0 0 0 ACS-52 0 0 0 ACS-62 0 0 0 AC