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 pulmonary arterial dilatation原发性肺动脉扩张
primary standard capacitor microphone基准电容传声器
primary copy/backup copy technique基版本/副版本技术
primary-level cultural undertakings基层文化建设
primary adrenal cortical hypofunction原发性肾上腺皮质功能减退
primary degenerative cerebral disease原发性退行性脑病
Primary Studies on Transition Economy关于转轨经济的初步研究
primary acquired sideroblastic anemia原发性获得性铁粒幼红细胞性贫血
primary and secondary school teachers中小学教师
Primary Pollutant Discharge by Region各地区主要污染物排放情况