樓主: 605785594
|
區(qū)分一種導(dǎo)電材料的正反面,通過電阻,緊急求助! |
點評
請教,我之前看電路板上的電磁繼電器都會并連個續(xù)流二極管,后來看機(jī)器電箱里面的中間繼電器沒看到有加二極管的,何解呢?
| ||
| ||
小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
GMT+8, 2024-11-15 09:40 , Processed in 0.056338 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.