curve for testing strength

• 测强曲线

curve for testing strength的用法和样例：

例句

1. It is shown from engineering practice that the deductive value of concrete strength has high accuracy by the rebound strength curve of this paper.
   工程实践表明，利用本文方法建立的现场回弹测强曲线推定混凝土强度值的精度较高。