秒速飞艇开奖查询

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There are currently 5 names in this directory beginning with the letter B.

Bending

Applying strain to metallic material in a way the deformation remains permanent.

Blank

A metal piece pre-cut for future press operation.

Blanking

Shaping the raw material to a general shape to be used for several operations.

Burr

A raised and very sharp edge of metal due to cutting, punching and drilling.

Burr Height

The height the burr or raised edge is at above the surface.

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