請問一個慢壘投手的問題 - 壘球

By Edwina
at 2009-05-30T14:07
at 2009-05-30T14:07
Table of Contents
我們系上學弟近來新練成的投法
就是往前跨兩~三步投球
我想請問的點就是
他要跨步之前踩投手板投球才合法
還是往前跨步投球出手時踩投手板才合法
還是都不合法
不知道他從哪學來的> <
--
就是往前跨兩~三步投球
我想請問的點就是
他要跨步之前踩投手板投球才合法
還是往前跨步投球出手時踩投手板才合法
還是都不合法
不知道他從哪學來的> <
--
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