题目内容

二极管有一个PN结。

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

实现肯特纳交易系统

Listen carefully and choose the word you hear.

A. mood
B. book

Listen carefully and choose the word you hear.

A. what
B. water

Listen carefully and choose the word you hear.

A. flower
B. flood