Unverified82% confidenceDecision RuleTime unknown
启蒙阶段优先选择正胶或软性反胶（硬度35-40度），出球慢、易控制上台，硬胶皮（45度以上）弹速快，儿童难以掌控落点会打击信心
1
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82%
Confidence
Long-term
Relevance
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