Unverified50% confidenceDecision RuleTime unknown
拍线磅数选择遵循：初学者20-22磅，中级22-25磅，高级/专业25磅以上；磅数越高控球越精准但对手臂要求越高，业余打手超过26磅性价比骤降
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50%
Confidence
Long-term
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