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elinvar是什么意思

elinvar

美['elɪnvɑː]  英['elɪnvɑː]
n.  铁镍铬合金(铁铬恒弹性钢)
  近义词:chrome-nickelsteel,

英英释义

Noun
  1. Elinvar is a trademark for a kind of steel used for watch springs because its elasticity is constant over a wide range of temperatures
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