弹性破坏 elastic fracture mechanics: 弹性断裂力学elastic fracture toughness limit: 弹性断裂韧度极限elastic plastic fracture: 弹塑性断裂elastic plastic fracture mechanics: 弹塑性段裂力学; 弹性 塑性断裂力学elastic-crack-growth fracture: 弹性裂纹增长断裂; 弹性裂纹增长型断裂下载手机词典可随时随地查词查翻译