[力] 动态断裂准则 fracture criterion: 断裂规范; 断裂指标; 断裂准则dynamic criterion: 动态准则dynamic fracture: 动力断裂dynamic fracture measurement: 动态断裂韧性dynamic fracture performance testing: 动态断裂性能试验下载手机词典可随时随地查词查翻译