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

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怎样考取低压电工证理论篇 (view source)

Revision as of 15:13, 19 August 2024

97 bytes added ,  19 August
→‎辨异
: 行程开关 反力系统+触点系统
: 万能转换开关 触点系统
 
; 灭火器
: 600V 以下，二氧化碳灭火器
: 10kV 或 35kV，只能使用干粉灭火器
 
== 理论 ==
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