roller step bearing的意思|示意
美 / ˈrəulə step ˈbɛəriŋ /
英 / ˈrolɚ stɛp ˈbɛrɪŋ /
滚柱止推轴承
roller step bearing相关例句
The upper end and the lower end of a lifting screw are in a double-self-aligning hanging structure with a self-aligning roller step bearing so that the stress state of the lifting screw is improved.
提升螺杆上、下端采用调心滚柱止推轴承双调心吊挂结构改善提升螺杆受力状态。