如何将下面二个SQL合并？

[you_tube]

---语句一
SELECT MIN(NSRSBH)
INTO START_WSPZH
FROM (SELECT NSRSBH
FROM (SELECT TT1.NSRSBH, ROWNUM ROWNO
FROM (SELECT T.NSRSBH
FROM WORK_INFO_MAIN M, WORK_INFO_CHILD T, DJ_NSRXX D
WHERE M.SERIAL_NO = T.SERIAL_NO
AND T.NSRSBH = D.NSRSBH
AND T.YXZT_DM = '3'
AND (T.LSSJ = 0 OR T.LSSJ IS NULL)
AND D.CGS_FLAG = 1
AND M.CZRY_DM = C_USER.USER_ID
ORDER BY TJRQ

) TT1)
WHERE ROWNO BETWEEN START_NUM AND END_NUM);

---语句二
SELECT MAX(NSRSBH)
INTO END_WSPZH
FROM (SELECT NSRSBH
FROM (SELECT TT1.NSRSBH, ROWNUM ROWNO
FROM (SELECT T.NSRSBH
FROM WORK_INFO_MAIN M, WORK_INFO_CHILD T, DJ_NSRXX D
WHERE M.SERIAL_NO = T.SERIAL_NO
AND T.NSRSBH = D.NSRSBH
AND T.YXZT_DM = '3'
AND (T.LSSJ = 0 OR T.LSSJ IS NULL)
AND D.CGS_FLAG = 1
AND M.CZRY_DM = C_USER.USER_ID
ORDER BY TJRQ

) TT1)
WHERE ROWNO BETWEEN START_NUM AND END_NUM);

[tangren]

SELECT MIN(NSRSBH),MAX(NSRSBH)
        INTO START_WSPZH, END_WSPZH 
        FROM  (SELECT NSRSBH 
                FROM  (SELECT TT1.NSRSBH, ROWNUM ROWNO 
                        FROM  (SELECT T.NSRSBH 
                                FROM  WORK_INFO_MAIN M, WORK_INFO_CHILD T, DJ_NSRXX D 
                                WHERE  M.SERIAL_NO = T.SERIAL_NO 
                                      AND T.NSRSBH = D.NSRSBH 
                                      AND T.YXZT_DM = '3' 
                                      AND (T.LSSJ = 0 OR T.LSSJ IS NULL) 
                                      AND D.CGS_FLAG = 1 
                                      AND M.CZRY_DM = C_USER.USER_ID 
                                ORDER  BY TJRQ 
                                
                                ) TT1) 
                WHERE  ROWNO BETWEEN START_NUM AND END_NUM);