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91. | pig and ore process |
| 生铁矿石法 |
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92. | granulated iron |
| 粒化生铁 |
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93. | high carbon iron |
| 高碳生铁 |
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94. | cast iron melting pot |
| 生铁熔化锅 |
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95. | cast iron rope pulley |
| 生铁绳索皮带轮 |
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96. | phosphoric iron |
| 高磷生铁 |
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97. | high silicon pig iro |
| 高硅生铁 |
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98. | acid Bessemer pig |
| 酸性转炉生铁 |
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99. | high alloy iron |
| 高合金生铁 |
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100. | hematitepig iron |
| 低磷生铁 |
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