短語詞組短語Sheet t steel 薄鋼板sheet slab steel 薄板鋼a sheet of steel 鋼片sheet t steel pipe 薄鋼琯sheet -steel mill 薄板廠mild sheet steel steel 軟鋼mild sheet steel steel shank 軟鋼手柄mild sheet steel steel sheet 軟鋼皮sheet t steel straightening unit 薄鋼板矯平機 返回 sheet steel