Based on previous research experience and statistical analysis results (36, 37), we selected the following three models for regression analysis: Model 1: Non-adjusted; Model 2: Adjusted for key ...

焊管的性能因其材质、工艺和用途的不同而有所差异。以下是对焊管性能的详细归纳： 一、强度与韧性 焊管的强度是评估其 ...