山东和创智云环保装备有限公司

select id,productname,image,descriptions,prodsortid from plproduct where userid='weifanghechuang' AND productsortid='2913713' AND (class>-1 or class=-3 or class=-1000 or class=-1001) and yzt2 in (2,3) order by xuhao asc limit 50,10===10