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5、25 L7GL ) J 200 500t 400(FE 95.50016001000400(FE94.25100350180015000;7020405.565 5!L7GLJE-P7G(1pL7GL -0.3L7GL ) J 200 400t 260(FE 19.1100 00400260(FE 260 18.8100 03202008000;L7GLJE( 15x -1.75L7GL ) J 200 500t 300(FE 71.35100 001200700300(FE 300 69.6100 0350140012000;L7GLJE68G(-1.75L7GL ) J 200 500t
6、300(FE 89100 0016001000300(FE 300 87.25100 0350180015000;7020405.565 5! L7GLJE-P7G(#t (X68FA(FE 2000.2%.& 100J 2004*2 E60ppmk!Ert)( 100-150 6o G!(PJ“ 150-200 Gm! 20 400g/t(4v%S o!rt!,X5 oP s!KS77M“+Pm! rG6SSt!8F *, (FE 200 / 4*2 E 100 538 4 250 -280 J 200ppm J 180ppm+(FE 200-400g“*“,XnJ“Np8F Zn 150-160ppm Mn 50-80ppm Se 0.45ppm 0.35ppm +0.2ppm I Q*.lGLJm 0.8-1ppm Co 0.5ppmG2K,XG! (G( ) J 170-190ppm J 150-160ppm+ (FE 200-350 “*“,XnJ“Np8F Zn 140-150ppm (ZnO3 ) Mn 40-60ppm Se 0.45ppm 0.35ppm +0.2ppm I Q*.lGLJm 0.8-0.9ppm Co 0.5ppmG2K,XG! (_ )
