primary arm主臂primaryadj.首要的；主要的；初级的；初等教育的；根本的；初期的n.第一位；初选；最主要者；要素；原色；初级线圈Primary idiopathic hypertrophic cardiomyopathy原发性特发性肥大性心肌病primary society-managed medical institutions公立医疗机构primary government-owned medical institutions民营医疗机构primary demineralization water treatment system一级除盐水系统Primary generalized hypertrophic osteoarthrosis原发性全身性肥大型骨关节病primary school students' achievement evaluationPrimary chronic pseudo-obstruction of stomach胃原发性慢性假性梗阻primary diffuse interstitial pulmonary fibrosis原发性弥漫性肺间质纤维化Primary pigmented nodular adrenocortical disease原发性色素性结节状肾上腺皮质病primary progressive diffuse cone-rod dystrophy原发进行弥散性锥体-杆体营养不良