因此在一个操作中，如钻或冲孔操作先定位在加工。
Thus in an operation such as drilling or punching, the positioning and cutting take place sequentially.
平面弹簧或金属模板是由扁平材料经过冲压，压制，或冲孔制造而成。
A flat spring or metal form is made of flat material that has been stamped, pressed, or punched.
该机具有单打或连续钉打鞋眼，冲孔。钉眼一定自动完成。
The machine can automatically punch or continuously punch shoes eyes the punching and eyeleting can be finished once.
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