1.(车,椅等)没有装弹簧的
1.having no springs or having the springs removed
1.Bogie wheel hollow shaft motor with full-suspension, reducing the unsprung weight.
转向架采用轮对空心轴电机全悬挂,减小了簧下重量。
2.damping, tyre stiffness, sprung mass and unsprung mass.
阻止,轮胎僵硬,被反弹的许多和没有装弹簧的大量。
3.Research on Lightening about the Unsprung Mass for the Bogie of "Xianfeng" EMU
“先锋号”电动车组转向架一系簧下轻量化研究