High performance and high efficiency automobiles require structural alloy steels to be improved both in strength and service life.
汽车的高性能化需要高强度和长寿命的合金结构钢。
The structural features of an alloy (e. g., grain and phase structure) that are subject to observation under a microscope.
在显微镜下观察到的某合金的结构特征(例如：晶粒和相的组织结构特征)。
Aluminium alloy as a new type of structural material, is more and more widely used in modern architecture.
铝合金作为一种新型结构材料，在现代建筑中得到了越来越广泛的应用。
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