根据《细水雾灭火系统技术规范》（GB 50898)，并排管道法兰应方便拆装，间距不宜小于（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='23352' and id < 2038382 and id<>'2038382' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23352' and id > 2038382 and id<>'2038382' order by id asc limit 5