题目内容
某输送天然气的管道工程,其输送管道的管材应选用(
2021-12-12
A.一般无缝钢管
B.专用无缝钢管
C.单面螺旋缝焊管
D.双面螺旋缝焊管
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29484' and id < 2399671 and id<>'2399671' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29484' and id > 2399671 and id<>'2399671' order by id asc limit 5