例句 /

, the chemical composition, manufacturing process, micro-structure, strenthening mechanism, properties, applications, grades and specifications.

, the chemical composition, manufacturing process, micro-structure, strenthening mechanism, properties, applications, grades and specifications.

全面地描述了非调质钢的发展概况,分析了非调质钢发展过程中化学成分、加工工艺、显微组织、强化机制、性能、应用范围、品种规格等方面特征的变化。