秒速飞艇官方开奖

秒速飞艇开奖走势图

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There are currently 3 names in this directory beginning with the letter E.

Edging

A process used to reduce a parts’ flange radius which involves retracting the punch a little after the initial stroke without relieving the pressure. Also refers to rolling the metal where the axis of roll is parallel to the area that considered the “thickness”.

Embossing

A type of process that is used to produce indented designs in a piece of metal. This is done through the use of a die with a cavity and a matching punch or matching die.

Extruding

A drawing out process that uses a previously punched hole.