Yes. The numbers are the ratio of rhodium in a platinum/rhodium alloy. The plus side is 40% rhodium, and the minus side is 20% rhodium. There is no official name, so some manufacturers always put the smaller number first, and others put the positive number first.
相關產品&解決方案
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µR10000 & µR20000
使用最新技術實現高可靠性、高品質、和出色的操作性能。 µR10000 & µR20000使用寬度為100和180毫米的記錄紙，具有網絡功能等多種功能。
可選配SD卡插槽。