As alloy additives , ferrosilicon is widely used in low alloy structural steel,alloy structural steel , spring steel , bearing steel , heat - resistant steel and electrical silicon steel .是什么意思_As alloy additives , ferrosilicon is widely used in low alloy structural steel,alloy structural steel , spring steel , bearing steel , heat - resistant steel and electrical silicon steel .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句