带电电器设备发生火灾时不能用（ ）扑救。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30411' and id < 2458470 and id<>'2458470' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30411' and id > 2458470 and id<>'2458470' order by id asc limit 5