diagnostic equipment for auricular information

• 英?[?dai?ɡ?n?stik i?kwipm?nt f?: ?:?r?kj?l? ??nf??mei??n]
• 美?[?da??ɡ?nɑst?k ??kw?pm?nt f?r ??r?kj?l? ??nf??me??n]