1)spring roll,弹簧辊2)spring supporting roller,弹簧托辊3)clearer spring,绒辊弹簧4)paper spring roll,导纸弹簧辊5)water cooled spring roll,水冷弹簧辊6)pre-stress spring idler,预应力弹簧托辊
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.