steel cap钢顶梁steeln.钢铁；钢制品；钢铁般的性质vt.使坚强；使 ... 硬如钢；使下定决心adj.钢的；坚强的Steel for cold heading processing冷镦用钢steel and concrete composite beam型钢混凝土组合梁steel pipe for transmitting water成品输水钢管steel suspension-box cofferdams钢套箱steel structure of tall buildings高层钢结构steel-aluminum hybrid structure钢铝一体化结构steel development and application钢材开发及应用steel-wooden smooth-face form钢木光面模板steel reinforced concrete columns型钢混凝土柱Steel wire for hose reinforcement橡胶软管增强用钢丝