来自姜林的问题
英语翻译Liketheforehandandthebackhand,theserviceprecisionisrelativetoitspower:having80%inpowerand70%inprecisionwillgiveyouasmuchprecisioninyourserveashaving50%inpowerand40%inprecision.
英语翻译
Liketheforehandandthebackhand,theserviceprecisionisrelativetoitspower:having80%inpowerand70%inprecisionwillgiveyouasmuchprecisioninyourserveashaving50%inpowerand40%inprecision.
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2019-09-06 01:46