primary air一次空气,一次助燃空气,一次风,主空气,一次空气主空气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 acute angle-close glaucoma闭角型青光眼,急性primary male A gonochoristic male.主要雄鱼一只雌雄异体的雄鱼。Primary Research on City Landscaping城镇园林绿化浅议primary intracranial choriocareinoma原发颅内绒毛膜上皮癌primary varicose great saphenous vein原发性大隐静脉曲张primary hypertrophic osteoarthropathy原发性肥大性骨关节病Primary conductors routing and sizing初级布线和导线截面选择primary frequency modulation function一次调频Primary elemental speciation analysis元素初级形态分析Primary nasal tuberculosis is rare.摘要鼻部结核症非常罕见。