钢制压力容器制造后要进行致密性试验，试验压力应为工作压力的（ ）倍。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24906' and id < 2125034 and id<>'2125034' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24906' and id > 2125034 and id<>'2125034' order by id asc limit 5