The microstructure, mechanical properties and deformation characteristics have been studied for a cast Al Si Mg alloy A357 treated under different aging conditions.是什么意思_The microstructure, mechanical properties and deformation characteristics have been studied for a cast Al Si Mg alloy A357 treated under different aging conditions.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句