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日期:2024-09-11
羅六和鋼鐵,鐵板,浪板,輕量型鋼,鋼捲,雷射切割,壓工,鍍鋅鋼板,花紋鋼板,鋼鐵,金屬,
裁切,加工. ... 尺寸與規格. 工字鐵、H型鐵....
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日期:2024-09-09
協鉦鋼鐵股份有限公司- 角鐵、槽鐵、扁鐵、圓棒、六角鋼、四角鐵、圓管、方管、扁管、
鍍鋅輕型鋼、工字鐵、H型鋼、鋼軌、輕 ......
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日期:2024-09-10
A.工程和設計Engineering & Design. 1.日本及美國工字樑規格尺寸JIS & American
Beam size. a.日規H樑、工字樑、槽鐵等 ......
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日期:2024-09-09
日規H樑、工字樑、槽鐵等型鋼規格尺寸. 詳細介紹: A.工程和設計Engineering &
Design. 1.日本及美國工字樑規格尺寸JIS ......
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日期:2024-09-13
A.工程和設計Engineering & Design. 1.日本及美國工字樑規格尺寸JIS & American
Beam size. a.日規H樑、工字樑、槽鐵等 ......
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日期:2024-09-07
A.工程和設計Engineering & Design. 1.日本及美國工字樑規格尺寸JIS & American
Beam size. a.日規H樑、工字樑、槽鐵等 ......
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日期:2024-09-07
The United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied
Industrial and Service Workers International Union (United Steelworkers or USW)
is ......
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日期:2024-09-06
The life of a 19th-century steel worker was grueling. ... Carnegie gave his workers
a single holiday-the Fourth of July; for the rest of the year they worked like draft ......