短語詞組短語pyramidal tract system 錐體束系pyramidal motor system 錐體運(yùn)動(dòng)系統(tǒng)pyramidal l system 錐體系統(tǒng)non -pyramidal motor system 非錐體運(yùn)動(dòng)系統(tǒng)The pyramidal system 錐體系 返回 pyramidal system