lingfeng 发表于 2008-11-4 14:06 同意九楼的兄弟，二极管的特性就是单向导电性，马达是用线圈绕成的！马达在开启的时候高速转动，当关闭 ...
Undo
Redo
Table
Removeformat
Autotypeset Left Center Right
FloatLeft FloatRight Orderedlist Unorderedlist
点击图片添加到帖子内容中
Archiver|手机版|小黑屋|52RD我爱研发网 ( 沪ICP备2022007804号-2 )
GMT+8, 2024-6-4 01:03 , Processed in 0.040266 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.5
© 2001-2023 Discuz! Team.
