1、DB 4 3 I 0 9 0 - 9 4 1994-12-15 11J 1994-12-31 Ji 5 i1 ill 1i i ;j: tR(V jJt7Jt?:t 4. 2. 1 -LZ:fi 2 0-5 0% 4. 2. 2 #4-KE 15-40% 4.2. 3 :5 25-40% 4. 2. 4 I*-zr-BJ: 3-18% 1994-12-31 1: 1 4. 2. 5 S zr-Et rxNtnJ:K s-5, ums . .7J , x.Jf. , JG o 5. 2 1t#tt 5. 2. 1 2t4r:E1t!fmt.!R7o“4r1l 7t tm:m (ppm) Zn 5
2、0-150 Cu 20-50 Mn 200-1000 Cr 50-160 Mo 0.05 O. 05 0.05 0.05 5 DB43/090-94 7 irt7J)! 7.1 jJZ:Q;f5:Q,;f5:Q51:jn-iJl4lrfEo 7. 2 tf,Jfj ?jj!IJ;ftJJflli!o 7. 3 tlt7.kffl:1fq:t%#JC?tmmlli!1r1!o t;2oo :EOC!tw, mn7.kffl:1f!KJtt;4o s tH7.klJttffiJ:h 1: 2,:tt1tmr-m 24h,IKJt_tJ.Jt%#7C ?t?t:tJT an8s37 :lt-H-J-
3、 0 7. 4 m:oF:ttMIi7C(lzJqmMttttc GB4792 Jtt1=r 0 7. 5 1;r . - I j_ = = .1Ji15 * 5G :i* t I J2s: tf, :it tF 1Ji;qrp7Jr:7c* -l- . -I *Jist *:it:PF :16 1l1 I 11i15 ,g,:mt-Jt :1:6 tF I :it ;pr, :1:6 tF l11Utltit :it tff-I ,_._ tf- :1:6 tF :16 1;q 7.k 1li:ff jC :it t :it t =*Jist I. !l “ liJIfiUDJJfiAlf :Eff m: tB o *ilB:rm:E*mmtt#Po *ilB:rm:E.moom,mm0 *;pr,ftlji.A :X!Jm, L: Ik-1JOC,*.Itw, )fur o 7
