Difference between revisions of "怎样考取低压电工证理论篇"

Jump to navigation Jump to search

怎样考取低压电工证理论篇 (view source)

Revision as of 11:46, 20 August 2024

71 bytes added ,  20 August
→‎辨异
: 常用交流接触器最高工作电压 380V，矿用 600V，说 6000V 太夸张了
: 低压绝缘材料的耐压等级一般为500V
: 电工使用的带塑料套柄的钢丝钳,其耐压为 500V 以上.
 
; Hz
Retrieved from "http://qingliezhiquan.com/blog/Special:MobileDiff/3072"

Navigation menu