The punch refitted with microcomputer numerical control is suitable for the shaping of thin metal plates by punching, which requires moving along two-dimensional path and locating accurately.
这台改装的微机数控冲床，适用于需要沿两维路线移动并精确定位的金属薄板冲压成型。
This products select quality galvanized lead wire, through automation, precision wove, also using metal plates stretching, punching, it is used in the microphone audio equipment.
该产品选用优质镀锌铅丝，通过自动化、精密准确编织制成，亦有采用金属板拉伸、冲孔而成，用于做麦克风网、音响设备。
It is pointed out that punching shear of plate and shear of oneway plate are two special cases of shear resistance of plates.
本文指出双向平板的冲切问题与单向板的抗剪问题是平板抗剪问题的特殊情况。
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