銅,鐵,鋼筋的分類 - 生活
By Enid
at 2007-11-13T00:00
at 2007-11-13T00:00
Table of Contents
拆掉一棟3層樓的建築物,裹頭的(銅,鐵,鋼)要細分又可分為那些?如銅可分紅銅、青銅、銅線等....請大家幫幫忙給我答案
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生活
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By Belly
at 2007-11-16T17:39
at 2007-11-16T17:39
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