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2019
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Classification of pig iron
Classification of pig iron         Iron and steel ...
18
2019
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09
Non-ferrous metal weight calcu...
Copper rodW = 0.00698 × square of diameterBrass ro...
18
2019
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09
Polishing process and safe ope...
1. Before the operation, perform a safety inspecti...
18
2019
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09
Wire drawing process operation...
1. Wire drawing is a metal processing technology. ...
18
2019
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09
Processing Technology Terminol...
1. Shearing: refers to the process of obtaining re...
18
2019
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09
Grinding process operation spe...
Grinding scope: The grinding of weld joints and th...