想想你拖一8000 磅的Trailer 行驶在盘山公路上,如果车的横向刚度差,trailer左右摇摆是很危险的。
                回答: 刚度(stiffness)和强度(strength)都很重要.刚度保证车在受力情况下变形小。强度保证车没有损坏。
                由 southmountainer
                于 2015-12-29 08:02:59
            
            
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