... purity test 纯度试验,纯度检查... metal purity 金属纯度 percentage purity 纯度百分率 ...
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熔融金属纯度计 rhometer
金属纯度检验印记法案 Hallmarking Act
高纯度金属 high purity metal
贵金属合金的纯度 Fineness of precious metal alloys
科学家用三年的时间研发这款“铱金蓝宝”，剃须刀柄由99.9%纯度的铱制成。 铱是抗腐蚀性最强的顶级金属，只能在陨星中找到。
Researchers spent three years developing the Zafirro Iridium, which has a handle made of 99.9 per cent pure iridium - the most corrosion-resistant platinum metal, found only in meteorites.
在冶金工业中，碘用于精炼高纯度金属。
In metallurgy industry, iodine is used for purifying high pure metal.
他们都不同当涉及到的工艺质量和金属的纯度。
They all vary when it comes to the quality of craftsmanship and the purity of the metal.
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