Unverified78% confidenceTradeoffTime unknown
发球频率与速度调高时对储球回收速度要求同步提高，若网架回收系统跟不上会出现卡球断球，高频机型必须搭配大网口回收网架否则频率上限形同虚设
1
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78%
Confidence
Long-term
Relevance
-
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