select * from news where news_addtime >= #2020-01-01# and a_class1 in (1,2,3,4,16,17,19,23,11,13,14,9,10,27,28,29,31,32,33,34,21,12,42,20,43,44,45,26,15,46) order by news_tj desc,news_addtime desc 產品展示--青島青科重工有限公司