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Develop AutoCAD with LISP programming language

Standard gauge bracket and large gauge design

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A batch of test boxes passed the acceptance of Shenzhen Dingshuo Optoelectronics Technology Co., Ltd.

Method for improving fertilizer efficiency in fertilization in greenhouse

The first domestic CTA crystallizer was born in Dalian Hitachi Machinery Co., Ltd.

Yihe Orchard WeChat System Development

Application of process holes in fixture manufacturing

Punch slider repair

Machining the rooted taper spline shaft on a gear hobbing machine