发光二极管有镓，有鍺二极管。

来源: 老生常谈12 于 2023-07-10 19:07:04 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.