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SELECT T.NSRSBH
FROM (SELECT T.NSRSBH, COUNT(T.NSRSBH) AS CS
FROM DT_XYDJ T
GROUP BY NSRSBH) T
WHERE T.CS >= 3
SELECT T.NSRSBH
FROM (SELECT T.NSRSBH, COUNT(T.NSRSBH) AS CS
FROM DT_XYDJ T
GROUP BY NSRSBH) T
WHERE T.CS >= 3