Iron nickel, high strength and excellent ductility. Repair welding of important gray cast iron and nodular cast iron, such as cylinder cap.是什么意思_Iron nickel, high strength and excellent ductility. Repair welding of important gray cast iron and nodular cast iron, such as cylinder cap.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句