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 21:53, 24 June 2024

18 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。
; 水基灭火器
: 只能用于木材
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