punching above its

英语翻译
Blanking and punching are the processes to separate sheet metal along a closing outline.After blanking and punching,the plate is separated into two parts.Punching is to punch a needed hole in a blank or workpiece,and the material punched from the blank is the waste ,that is,the part out of the closing outline is the workpiece,and the part in the closing outline is the waste.Oppositely ,blanking is to punch a workpiece or blank with needed shape in the plate,that is,the part in the closing outline is the workpiece.the part out of the closing outline is the waste.The deformation process and the die structure are identical in both blanking and punching .Conventionally,both blanking and punching are called blanking.Though blanking process,final product as well as semifinished product for other forming process can be produced

英语翻译
Abstract
Punching die has been widely used in industrial production.In the traditional industrial production,the worker work very hard,and there are too much work,so the efficiency is low.With the development of the science and technology nowadays,the use of punching die in the industial production gain more attention,and be used in the industrial production more and more.Self-acting feed technology of punching die is also used in production,punching die could increase the efficience of production and could alleviate the work burden,so it has significant meaning in technologic progress and economic value.
The article mainly discussed the classification,feature and the developmental direction of the pnnching technology.Elaborated the punching components formation principle,the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting,the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.The punching dies that utilized the feature of the normal punch shaped the workpiece in the room temperature,and its efficiency and economic situation is excellent.
The dies here discussed can be easily made,conveniently used,and safely operated.And it could be used as the reference in the large scale production of similar workpieces.
Key word:punching,die,machincal,manufacture,die design,punching,bending,drawing

78.SAT句子改错
Despite recent (controversy) over ballot-punching,which (has discouraged) some people from (voting) in local election,next year many US citizens will attempt to elect a president who (will be) (representing) their views in the issues.No error
哪里错鸟,肿木改?

英语翻译
The rod came loose,punching a hole in the box.
这句话到底说的什么意思,什么情景?
("come:to become 成为；变成；变得
The buttons on her blouse had come undone.她衬衫上的钮扣松开了。
The handle came loose.这把手松了。
Everything will come right in the end.一切到最后都会好起来的。
This design came to be known as the Oriental style.这种设计后来被称为东方风格。")