Observation on Microstructure after Ausforming of Coal Cutter;2., first thermal refining and then roll ausforming , is proposed.

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At present most exploratory well are less in core boring and more in debris l...

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Eat a little turkey dung and found that it does enough to force it to fly the first root branches, the next day, turkey and cow dung to eat more, fly to a second branch, the two-week After the turkey has been proud to fly the top, but soon, a farmer saw it, quickly shot it down from the tree.

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