高压试验时,当间隙作为测量间隙使用时,保护电阻的率有关,当试验电压的频率取150—200Hz时,测量球隙的保护电阻按0.5/V取。( )
发布时间:2026-01-24
A.正确
B.错误
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69492' and id < 4501756 and id<>'4501756' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69492' and id > 4501756 and id<>'4501756' order by id asc limit 5
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