A、<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">过度弹性变形</span><span lang="EN-US" style="FONT-FAMILY: 'Arial','sans-serif'; mso-bidi-font-family: 'Times New Roman'"><p></p></span>
B、<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">疲劳断裂</span><span lang="EN-US" style="FONT-FAMILY: 'Arial','sans-serif'; mso-bidi-font-family: 'Times New Roman'"><p></p></span>
C、<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">过载断裂</span><span lang="EN-US" style="FONT-FAMILY: 'Arial','sans-serif'; mso-bidi-font-family: 'Times New Roman'"><p></p></span>
D、<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">表面损伤</span>