基本解釋[經(jīng)濟學]變性鑄鐵軋輥詞組短語短語ductile cast iron roll 可鍛鐵鑄輥;可鍛鑄鐵輥bainite ductile cast iron roll 貝氏體球鐵軋輥alloy ductile iron roll 合金球鐵軋輥alloy y ductile iron roll 合金球鐵軋輥ductile iron roll更多詞組專業(yè)釋義經(jīng)濟學變性鑄鐵軋輥