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2026-06-21 03:09:20
快科技6月19日音讯,西宁公安近期展开专项整治举动,专门整理直播渠道各类低俗不良内容,总共查办2...
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2026-06-21 03:09:20
5月25日,河南省发布国民经济与社会继续健康开展第十五个五年规划大纲。多项特高压及配套电网工程被...
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2026-06-21 03:09:20
7月23日20时50分,杭深线永嘉至温州南段,北京南至福州D301次列车与杭州至福州南D3115...
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2026-06-21 03:09:20
在修建电气规划中均有关于防雷施工的阐明,在阐明中往往只对接地电阻、接地极、防雷引下线等做一些简略...
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2026-06-21 03:09:20
22.2.2 接地设备的焊接应选用搭接焊,除埋设在混凝土中的焊接接头外,应采纳防腐办法,焊接搭接...
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2026-06-21 03:09:20
1. 防静电地线).厂房建筑物的避雷针一般与建筑物钢筋混凝土焊接在一同妥善接地,当雷击发生时,接...
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2026-06-21 03:09:20
井下如下地点应装设局部接地极: 采区变电所(包括移动变电站和移动变压器) ; 装有电气设备的硐室...