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单词 Elinvar
释义
Elinvar
(extremely rare)
n

WORD FAMILY
Elinvar
n Elinvar is a trademark for a kind of steel used for watch springs because its elasticity is constant over a wide range of temperatures
Syn|Hyper
chrome-nickel steel
alloy steel
steel who characteristics are determined by the addition of other elements in addition to carbon
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更新时间:2025/1/24 10:46:24