新增計算及儲存功能
版面優化
This APP provides a wide range of steel types, sizes and unit weights for the general reference of the construction industry, Engineers and Quantity Surveyors. If you like this APP, just share with friends!
此鐵書提供廣泛的鋼鐵種類，尺寸和每米重量以供建築界, 工程師及工料測量師的一般參考。如喜歡此鐵書，請與朋友分享。
IOS版: https://itunes.apple.com/us/app/steel-data/id1255989099?mt=8
Android版: https://play.google.com/store/apps/details?id=ihl.steeldata
