自动体外除颤起搏器automated external defibrillator pacemaker
外债清偿比率external debt service ratio【金融】
体外心肺复苏术external cardiopulmonary resuscitation
外真热TRUE external heat
外部输入联机试验external input to on-line test【计】
内外加厚油管internal-external upset tubing【油气】
拜劳格氏外带external band of Baillarger
外用external application