密度首端截面高H末端截面高H1上翼緣寬WF下翼緣寬WF1腹板厚TW78500060000600002200022000800785000600003000018000180006007850003000030000180001800060078500030000600001800018000600785000600006000022000220008007850006000030000180001800060078500030000300001...
下載價格:3
賞幣
/ 發(fā)布人:
畢業(yè)設計 / 發(fā)布時間:2023-07-20
/
9人氣