Pnpndiode
[电] PNPN(四层)二极管
🗣️ 情景例句
There we go ... will make twenty. Thanks.
你看……加起来正好二十美元。谢谢了。
The above inquiry weas forwarded to you on Oct. 10, but we haven't received your reply until now. Your early offer will be highly appreciated.
上述询价已于10月10日发往你方，可是我们到现在还没收到你方答复，请早日发盘不甚感谢。
Where do you live in the USA?
你住在美国什么地方？