Both Standards discuss specific tests for detecting free iron.
上述两个标准都讨论了探测游离铁的特定检测方法。
The natural form of carbon in cast iron is the free graphite flake form.
铸铁内的碳天然形式是游离石墨薄片形式。
White cast iron contain a lot of free cementite, nature brittle hard, very wear-resisting.
白口铸铁中含有大量的游离渗碳体，性质脆硬，非常耐磨。
White cast iron contain a lot of free cementite, nature brittle hard, very wear-resisting.
白口铸铁中含有大量的游离渗碳体，性质脆硬，非常耐磨。
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