compressive pre stress造句

例句与造句

1. After the various visual defects during drilling processes were analyzed , the importance of drilling with compressive pre stress was presented
   以加工效率为指标，通过正交试验对钻头的磨料粒度、浓度、水槽数和壁厚等因素进行了优化分析，确定了适宜的刀具参数。
2. It's difficult to find compressive pre stress in a sentence. 用compressive pre stress造句挺难的