edge strengthening

例句：

1. 1. The engineer used a special tool to edge strengthen the concrete foundation.
   工程师使用一种特殊的工具来加固混凝土地基。
2. 2.The company is investing in edge strengthening technology to improve its product quality.
   该公司正在投资于边缘加固技术，以提高产品的质量。
3. 3.The research on edge strengthening has shown great potential for future applications.
   关于边缘加固的研究显示出了未来应用的巨大潜力。