《英汉医学词典》zero defect concept 零缺陷概念 zero-defect concept: 零缺陷概念defect, zero: 零缺点zero defect: 零缺陷管理; 无差错; 无缺点; 无缺陷运动zero-defect: 没有缺点的soldering zero defect: 零缺点焊接下载手机词典可随时随地查词查翻译