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[第1期l电动汽车电动机起步加速控制研究··············································································……余建强,万淑芸(l)载货汽车平路行驶换档规律的试验及研究···
[No. 1 l electric vehicle motor starting acceleration control research ... ······································ ...... Yu Jianqiang, Wan Shuyun (l) Test and Research on Shifting Laws of Freight Car’s Flat Roads · ·