Unverified83% confidenceDecision RuleTime unknown
擦除彩色铅笔和油性笔迹不能用普通橡皮，需专用砂质/纤维橡皮（如三菱EK-100砂橡皮），但砂橡皮摩擦力极强会明显伤纸，仅小范围点擦
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83%
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Long-term
Relevance
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