侯氏制碱法制得的碱是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31517' and id < 2523945 and id<>'2523945' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31517' and id > 2523945 and id<>'2523945' order by id asc limit 5