made of platinum iridium alloy的意思|示意
美 / /
英 / /
由铂铱合金制成
made of platinum iridium alloy的网络常见释义
铂 铂-铱合金
made of platinum iridium alloy相关例句
The international prototype kilogram, the primary standard (see weights and measures) for weight, is made of an alloy comprising 90% platinum and 10% iridium.
国际标准质量千克的原型就是由90%铂和10%铱的合金制成的。