• 2022-07-26
    3.图示应力状态,按第三强度理论校核,强度条件有以下四种答案,正确答案是( ) 。[img=208x151]1803e33507b3b2c.jpg[/img]
    A: [img=136x50]1803e3351481fd7.jpg[/img]
    B: [img=165x53]1803e3351f61bee.jpg[/img]
    C: [img=184x52]1803e3352a4c5ce.jpg[/img]
    D: [img=147x42]1803e335344a1a0.jpg[/img]