实验后剩余的金属钠，应用大量的水冲洗。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30401' and id < 2457740 and id<>'2457740' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30401' and id > 2457740 and id<>'2457740' order by id asc limit 5