Unverified85% confidenceDecision RuleTime unknown
旋转轴承结构优于纯塑料卡扣旋转：底部带滚珠/钢珠轴承的转盘承重≥3kg仍顺滑，纯塑料底盘装满口红后易卡顿发涩
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified追求抹面光滑度优先选铝合金材质+密封轴承（转一圈能自转3秒以上），塑料转台旋转阻力大且易晃动，只适合简单裱花练习77% similarUnverified轮拱内衬为塑料材质（多数经济型车）时贴止震板效果有限，因塑料本身振动传导弱；此类车更应处理翼子板金属区和喷涂液态阻尼76% similarUnverified夹式杯架的夹口内侧应有橡胶或硅胶防滑垫，纯塑料对塑料的夹持在推车振动下1-2周内易松动下滑；带二次锁紧螺栓的款式稳固性明显更好76% similarUnverified全金属齿轮传动比塑料齿轮更耐用，绞硬物（冻肉、姜蒜带纤维）时塑料齿轮易打滑磨损75% similarUnverified指尖陀螺（旋转类）选R188陶瓷混合轴承，纯陶瓷轴承转速更平稳且静音，但持续时间反不如混合轴承；铜/钛材质配重比塑料转动时间长3-5倍75% similar
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