steel cupola 中文意思是什麼
steel cupola
解釋
鋼穹頂-
There are arc - furnaces of all sizes, refiner furnace for casting steel in the forging workshops, and there are blast cupola and main frequency furnace for casting iron and copper
鑄鋼鑄造分廠有各種噸位大中小電弧爐鋼包外精煉爐鑄鐵,鑄銅有沖天爐工頻感應爐。
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