题目内容
白矾主要含
2022-01-07
A.KAl(SO4)2·12H2O
B.CaSO4·2H2O
C.CaSO4
D.ZnCO3
E.CaCO3
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='30720' and id < 2475156 and id<>'2475156' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30720' and id > 2475156 and id<>'2475156' order by id asc limit 5