容器的开孔补强圈应在压力试验（ ）通人0. 4〜0. 5MPa压缩空气检査焊接接头质量。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24906' and id < 2125019 and id<>'2125019' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24906' and id > 2125019 and id<>'2125019' order by id asc limit 5