Heat value, moisture, ignition point and ash content are main indexes to affect fire resistance.

热值、含水量、燃点和灰分含量是影响叶的抗火能力的主要指标。

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White cast iron is cast iron ash carbon content is a bit low.

白口铸铁含碳量较灰口铸铁稍低。

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White cast iron is cast iron ash carbon content is a bit low.

白口铸铁含碳量较灰口铸铁稍低。

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