為什麼足球門網目是六角形 - 世足

By Andy
at 2018-06-20T01:50
at 2018-06-20T01:50
Table of Contents
印象中,足球門網的網目是方格狀。但是最近新聞照片中的門網網目卻是六角形,為什麼要
從方格改成六角形?
是因為比較省材料嗎?還是有其它原因?
--
從方格改成六角形?
是因為比較省材料嗎?還是有其它原因?
--
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