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elinvar什么意思
elinvar什么意思 elinvar音标、翻译、用法
英语翻译时间:2023/3/1 11:24:31阅读:1681
elinvar音标英 ['elɪnvɑ:]美 ['elɪnvɑ]elinvar翻译n.镍铬恒弹性钢;英英释义elinvar[ 'elinvɑ: ]n.Elinvar is a trademark for a kind of steel used for watch springs because its elasticity is constant over a wide range of tem