This is a method that uses the rare earth element of the RE-additive to improve properties of the meta-eutectic Al-Si alloy.是什么意思_This is a method that uses the rare earth element of the RE-additive to improve properties of the meta-eutectic Al-Si alloy.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句