合并单元应支持至少（ ）个采样值输出端口。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29468' and id < 2398950 and id<>'2398950' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29468' and id > 2398950 and id<>'2398950' order by id asc limit 5