Unverified72% confidenceTradeoffTime unknown
头部越细精准度越高但强度越低：0.5mm超细头能挑出微小污垢却易变形，1mm圆钝头耐用但难进入窄缝，日常家用选0.8-1mm为平衡点
1
Sources
72%
Confidence
Long-term
Relevance
-
First Seen
Sources
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