缺陷子defector: 背叛者，逃兵; 开小差者; 逃兵/叛徒defectometer: 探伤仪defectors: 投诚者defectology: 儿童缺陷学; 缺点学; 缺陷学defectoscope: 探伤器; 探伤仪下载手机词典可随时随地查词查翻译
