[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

考试(尤其涂答题卡)应选2B铅芯直径0.9mm以上或1.3mm粗芯自动铅,涂卡快且不易断,普通0.5mm涂卡效率极低

1
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88%
Confidence
Long-term
Relevance
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