... 工字钢Ibeam 普通圆钢Round Steel 槽钢Channel ...
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... plain ring 光面戒指 plain round steel 普通圆钢 plain round tea tray 素色圆茶盘 ...
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短语
普通圆钢钉
Round Nails for General Uses
普通碳素结构圆钢
Ordinary carbon round
;
Ordinary carbon steel round structure
;
Carbon structure round steel
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round steel
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plain round steel
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