2023年增刊封面+目录<a href="http://engineeringmechanics.cn/article/id/c0c8020d-2e9d-4ba2-9f27-c760df033477" class="" target="_blank" style="background-color: rgb(255, 255, 255); color: rgb(34, 34, 34); line-height: 22px; font-weight: bold; white-space: normal;"></a>