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铁水脱硫用钝化镁
Passivation magnesium powder for molten iron desulphurization
价格：￥0.00
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GH4133B合金盘形锻件
Disk Porgings of GH4133B heat-resisting superalloy
价格：￥0.00
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铸铁砂
Cast iron grit
价格：￥0.00
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铸铁丸
Cast iron shot
价格：￥0.00
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铸钢丸
Cast steel shot
价格：￥0.00
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F3701X（FT15）粉末冶金高速工具钢技术条件
价格：￥0.00
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低铬合金铸铁段
Low chromium alloued cast iron cylpebs
价格：￥0.00
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