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中间合金 zhōngjiān héjīn
archit.	interalloy
met.	alloyage; hardener; key metal; master-alloy; mother alloy; preliminary alloy; process alloy; processing alloy; rich alloy; tempering metal; master alloy (Ferrosilicon is a master alloy of iron and silicon with a minimum silicon content of 8,0 % by mass, and a maximum silicon content of 95,0 % by mass, obtained by reduction. 硅铁是通过还原而获得的由铁和硅组成的中间合金，其中硅的质量含量最低为8. 0%,最高为95.0%。)
space	intermediate alloy
steel.	master alloy

中间合金 : 24 phrases in 4 subjects

Architecture	2
General	2
Metallurgy	18
Technology	2