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小小一顆球,來歷不簡單喔…
瞧瞧棒球是怎麼製作的!
I always wondered how they sewed up the seams on a baseball.
http://www.reliableplant.com/view/25724/how-baseballs-are-manufactured
(資料來源:感謝:pamela.p 提供-2011.09.07)
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小小一顆球,來歷不簡單喔…
瞧瞧棒球是怎麼製作的!
I always wondered how they sewed up the seams on a baseball.
http://www.reliableplant.com/view/25724/how-baseballs-are-manufactured
(資料來源:感謝:pamela.p 提供-2011.09.07)
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