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埃勒因瓦
恒弹性镍铁
合金
met.
Elinvar
(33 ~ 35Ni, 53 ~ 61Fe, 4 ~ 5Cr, 1 ~ 3W, 0.5 ~2Mn,0.5~2Si,0.5~2C)
埃勒 因 瓦 合金
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1 phrase
in 1 subject
Chemistry
1
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