平焊法兰一般采用压力容器钢板加工制造。 （ ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24888' and id < 2124248 and id<>'2124248' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24888' and id > 2124248 and id<>'2124248' order by id asc limit 5