空氣鋼瓶背法問題 - 潛水運動討論
By Donna
at 2007-10-18T20:10
at 2007-10-18T20:10
Table of Contents
請問一下~為什麼
潛水員~他的氣瓶頭是朝上~~
消防員的氣瓶頭是朝下呢???
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潛水員~他的氣瓶頭是朝上~~
消防員的氣瓶頭是朝下呢???
--
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潛水
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