Refer to the exhibit. Which ephone-dn type does Phone 10 represent?()
- A、shared ephone-dn
- B、overlaid ephone-dn
- C、oual-line ephone-dn
- D、single-line ephone-dn
- E、dual-number ephone-dn
- F、two ephone-dns with one number
正确答案:B
答案解析:有
![](/editor/images/201705/qrcode_for_gh_573e2a458573_258.jpg)
微信扫一扫手机做题
Refer to the exhibit. Which ephone-dn type does Phone 10 represent?()
微信扫一扫手机做题