Pure iron is a silver - white metal, melting at 1535 ℃.

纯铁是银白色的金属, 在1535℃融化.

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Probably you never saw the silver - white metal, pure iron.

你大概从未见过那种银白色的金属, 即纯铁.

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Pure iron is not used in industry because it is too soft.

纯铁太软,所以不用在工业上.

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And yet pure iron is scarcer than gold or diamonds.

然而纯铁比黄金或金刚石还罕见.

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The iron core usually uses pure iron material and general steel is suitable for it.

铁芯通常采用纯铁,普通的钢材不适合作铁芯.

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So the correct carbon steel forging temperature range does not include industrial pure iron.

碳钢正确的锻造温度范围应不包括工业纯铁.

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Sandy to pure iron sand, hard and fine, after no obvious signs of tread.

沙质为纯净铁板沙, 坚硬细腻, 踩后无明显痕迹.

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The qualified industrial pure iron whose carbon content is below 0.025 % has been made in laboratory.

在实验室中制备出含碳量低于0.025%合格的工业纯铁.

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