摘要
文章简要分析了雷电对各类电话机的不同影响。
The paper briefly introduces various influence of lighting to telephone set, emphatically analyzes insufficient performance of lightning protection on speakerphone with electronic switch control.
出处
《青海电力》
1999年第3期12-15,共4页
Qinghai Electric Power
关键词
电话机
防雷
性能分析
Telephone set, Lightning protection,Performance
