短语词组短語Type of steel Plate 鋼板用途分類及各國鋼板的工業標準包括日工標準及美材試標準Type of Rolled Steel 軋制鋼種new type of steel 種新型的鋼new type of light steel 新型輕鋼龍骨new type of light -gauge steel 輕鋼龍骨 返回 type of steel