题目内容
由门极控制导通的晶闸管导通后,门极信号()。
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SQL Error: select id,body,options from ***_enewstiku where sourceid='32680' and id < 2599538 and id<>'2599538' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32680' and id > 2599538 and id<>'2599538' order by id asc limit 5