alscCOCA¹⁷³⁹³⁴ 基本例句 Auxiliary Library Service Collections,辅助图书馆书刊收集 The influence of Sc on the performance of Al alloys is briefly described. The history and current status of the development of AlSc alloys are reviewed. 概述了钪对铝合金性能的影响，并对铝钪合金发展的历史和现状进行了概括。 chemyq