... 盘形转子disk-like rotor 抛物线运动parabolic motion 疲劳极限fatigue limit ...
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登高式手推台车 Ascerding Dispath Trolley 等加等减速运动规律 parabolic motion; constant acceleration and deceleration motion 等加等减速运动规律 parabolic motion； constant acceleration and decelerat...
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