Unverified80% confidenceDecision RuleTime unknown
针尖锐利度取决于研磨工艺（三面/多面斜切研磨+硅化涂层），大品牌硅化处理的针穿刺阻力小、痛感低；杂牌针尖可能有毛刺导致撕裂式疼痛，选购优先看是否标注硅化（siliconized）与三棱研磨
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80%
Confidence
Long-term
Relevance
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