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。
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。
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.
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