Unverified80% confidenceTradeoffTime unknown
指尖陀螺的核心是轴承等级:陶瓷混合轴承(Si3N4)比全钢R188轴承转动更顺滑、免上油且转速衰减慢,追求长转时选陶瓷轴承;但陶瓷轴承怕摔,桌面把玩+易掉落场景反而选钢轴承更耐用
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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