若用主应力状态图来表示物体的应力状态,则归纳起来有八种可能的应力状态。 发布时间:2019-11-08 14:15 │ 来源:www.tikuol.com 题型:判断题 问题: 若用主应力状态图来表示物体的应力状态,则归纳起来有八种可能的应力状态。
题型:判断题 单项选择.Mary can't go with us.______ has to look after ______ mother at home.A. She; his B. She; her C. He; her D. He; his 查看答案