elinvar读音音标

英[\\\'elɪnvɑ:]

美[\\\'elɪnvɑ]

基本意思释义

n.镍铬恒弹性钢

英英释义

Noun

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