Al-5Ti-B alloy, one kind of grain refiners for aluminum and aluminum based alloys, was used as the experimental object of ECAP experiment.是什么意思_Al-5Ti-B alloy, one kind of grain refiners for aluminum and aluminum based alloys, was used as the experimental object of ECAP experiment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句