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铝扣板吊顶有污染吗:三表左联
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九乡新闻网
时间:2024/05/26 03:53:42
select
a.*,b.departmentName,companyName
from
R_department as a left join R_department as b
on
a.departmentOwneDepartment=b.departmentId,R_Company where
R_Company.companyId=a.departmentCompany
三表左联