spring roll

用法例句

the strength of pre-stress spring idler is influenced mainly by the axial force, its middle section is dangerouseest, when the idler whirls ,it is affects by small cycled force, its strength can be freated as static state.

预应力弹托辊是一种新型的托辊机构,本文对其在径向载荷及轴向载荷作用下进行了受力分析,得出了预应力弹簧托辊的强度准则。