• 2022-05-31
    图示z坐标轴与直径为d的圆形截面相切,则该截面对z轴的惯性矩为:[img=151x154]177ba43502f0aa6.png[/img]
    未知类型:{'options': ['[img=36x46]177ba437ff34216.png[/img]', '[img=27x46]177ba43a71a0fa3.png[/img]', '[img=27x46]177ba43c3336bea.png[/img]', '[img=27x46]177ba43dfe119fd.png[/img]'], 'type': 102}