Transcript

( 2) ()

100 .. (SIAL)

SIALSiAlSiliconAluminum 2900 .. (SIMA)

SIMASiMgSiliconMagnesium 3470 .. (Ferrous) (NiFe)

NiFeNiFeNickleFerrous8 ?234

= 3 ?

= ?2900 ..3740 ..100 ..

= 100 . ?

=


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