<p>如图5-52所示应力状态，按第三强度理论校核，强度条件为() <img alt="" src="https://file.gaojiufeng.cn/learnAppQuestion/3b/82/3b8275b68b2cbaa90bcbc4679b1a671c.jpg" style="width: 100%;height: auto;"><img alt="" src="https://file.gaojiufeng.cn/learnAppQuestion/8d/e9/8de9cdb058e51f238c8b1b5ede385664.jpg" style="width: 100%;height: auto;"></p>