短语词组短语major r defect 主要缺陷major cycle defect 重要缺陷pectoralis major muscle defect 胸大肌缺损MA Major Defect 主要缺点major defect detail 主要缺点Immunodeficiency associated with major defect , unspecified 与未特指的严重缺陷有关的免疫缺陷 返回 major defect