孙华锋

Automatic change-over switching device with mechanical interlocking function

张鑫, 刘超, 张志芳, 2013 .

Dual power supply automatic changeover gear controller

陈红群, 娄建琴, 董建国, 2012 .

Vehicle frontal collision finite element model rapid-matching method

张凯, 李莉, 孙华锋, 2010 .