压力容器在进行液压试验时，当压力达到规定压力后，保压时间一般不低于 （） 0

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24819' and id < 2121751 and id<>'2121751' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24819' and id > 2121751 and id<>'2121751' order by id asc limit 5