為何彈性係數都偏高 - 棒球
By Wallis
at 2020-05-18T21:30
at 2020-05-18T21:30
Table of Contents
中職今天公佈今年二次抽驗的結果,和投打成績符合就是彈。可是為何近幾年廠商給的球
彈性係數都偏高,品質不好怎麼不會有偏低的球呢?我不是專家,是做出彈性係數高的球
成
本比較低嗎?有專業的鄉民可以解釋一下嗎?
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posted from bbs reader hybrid on my samsung SM-G610Y
--
彈性係數都偏高,品質不好怎麼不會有偏低的球呢?我不是專家,是做出彈性係數高的球
成
本比較低嗎?有專業的鄉民可以解釋一下嗎?
--
posted from bbs reader hybrid on my samsung SM-G610Y
--
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棒球
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