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O.R.F. 高温火焰下还原矿石直接制取铁水法
met.
O.R.F. jet smelting process
;
Ontario Research Foundation jet smelting process
ORF 高温火焰下还原矿石直接制取铁水法
met.
ORF jet-smelting process
ORF高温火焰下还原矿石直接制取铁水法
met.
Ontario Research Foundation jet smelter process
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