某供热管网设计压力为0.4 MPa，其严密性试验压力为（ ）MPa。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26168' and id < 2192800 and id<>'2192800' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26168' and id > 2192800 and id<>'2192800' order by id asc limit 5