Saturday, September 17, 2022
问题:皮带传动中,通常认为皮带轮轮缘处的受力总沿着轮缘切线方向,其指向与每个轮的转动的方向一致。...
Tuesday, October 3, 2023
问题:材料在静荷作用下的失效形式主要有脆性断裂和塑性屈服两种。...
Sunday, September 11, 2022
Saturday, September 17, 2022
问题:对于()变形的杆件,认为横截面中性轴必定通过截面形心的看法是错误...
Sunday, September 11, 2022
Tuesday, January 7, 2025
Tuesday, May 28, 2024
问题:在弹性力学里分析问题,要考虑静()、()和()三方面条件,分别建...
Saturday, September 17, 2022
Saturday, September 17, 2022
Thursday, July 6, 2023
问题:3.小孔口应力集中现象中有两个特点:一是(),即孔附近的应力远大...
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
Monday, January 6, 2025
Sunday, September 11, 2022
Sunday, September 15, 2024
Saturday, September 17, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Friday, March 15, 2024