platinum-iridium weight的意思|示意
美 / /
英 / /
铂铱重量
platinum-iridium weight的网络常见释义
铂铱法码 ... platinum-iridium dilatometer 铂铱膨胀计 platinum-iridium weight 铂铱法码 platinum-iridium needle 铂铱针 ...
platinum-iridium weight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。