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- [306] 张勤河. Experimental Study on Single-pulse Discharge in Gas Dielectic. Proceedings of the 16th International Symposium on Electromachining, 85, 2010.
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- [308] 张勤河. FEM Analysis of EDM in Gas Based on Birth and Death of Element. Material Science Forum, Vols. 626-627, 599, 2009.
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- [316] 张建华 and 张勤河. An Analysis of Unloading for Mechanical Press. Advanced Materials research, 569 , 437, 2012.
- [317] 张勤河. Finite Element Simulation of Large H-beam in X-H Rolling Process. Advanced Materials research, 569, 251, 2012.
- [318] 张勤河. Research on Piezoelectric Self-adaptive micro-EDM CNC System. Advanced Materials research, 569, 652, 2012.
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