单词	鋇氮酸
释义	同Barium
随便看	reference energy consumption reference equivalent reference evaluation reference excursion reference external symbol reference field reference file reference file control id reference flux reference format reference format rule reference frame reference--frame reference frame--frame of reference reference frequency reference fringe reference fuel reference fundamental component reference fundamental frequency reference gage reference gage (check gage) reference gas reference ga(u)ge reference gauge reference generator