photoelectrically controlled co-ordinate drive flame cut-ting machine
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- pattern metal
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- polymorphism
- lapped T-joint;flanged T-joint
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- mixed scrap
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- roller cold pilgering mill
- austenite region
- ampangabeite
- casting powder
- oxyacetylene torch
- lacquerware
- continuous operation
- bush,bushing
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- moisture
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