Difference between revisions of "怎样考取低压电工证实操篇"

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怎样考取低压电工证实操篇 (view source)

Revision as of 22:02, 24 June 2024

39 bytes added ,  24 June
→‎消防灭火
== 科目四 20分==
=== 消防灭火 ===
重点是选中灭火器。拿到灭火器后退到答题区使用灭火器。维持一分钟。先断电，拔插销。灭火部位为火源根部 1/4 处。
 
; 1. 干粉灭火器
: 汽油桶；电箱；高压柜、配电箱（<b>有闸刀先关闸刀</b>）；电器
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