合成氨中氨合成塔属于（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24907' and id < 2125067 and id<>'2125067' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24907' and id > 2125067 and id<>'2125067' order by id asc limit 5