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  from xsjbxxb xs
  left outer join xsxjkcjb xsxj on xs.xsjbxxb_id = xsxj.xsjbxxb_id
  left outer join kcdmb kc on xsxj.kcdmb_id = kc.kcdmb_id
  where xs.xsid='D20400503006'
  for update

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