发布时间:2025-01-20 03:36:55
弯曲弹性模量应当是抗弯模量吧?与形状有关,是管状吗?
铝合金的弹性模量: 20度时为69~71(x10^3N/mm2)(GB/T 20801.2-2008 表B。3)
园管状抗弯模量: Wx0=0.0982(d^4-di^4)/d (d- 外径, di-内径)
其它形状计算详见建筑结构静力计算手册(第二版) 表1-6
美的空调KFR-72LW/DY-IA(E2)的内机尺寸是多少
2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55马桶水箱里长了绿色发霉的东西是什么怎么解决我养的石头上长花的也是水里一层绿色的以前没有过
2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55 2025-01-20 03:36:55