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 reinforced concrete structure型钢混凝土结构steel-rope tracting belt conveyer钢绳牵引带式输送机Steel wire for prestressed concrete预应力混凝土用钢丝steelmaking by electric arc furnace电弧炉炼钢steel tube-concrete arch-brldge钢管砼拱桥steel and concrete composite girder钢-混凝土叠合梁Steel- making-Continuous Castin炼钢连铸steel fiber reinforced con- crete钢纤维钢筋混凝土steel tube hydrostatic test machine水压试验机steel- concrete hybrid structures钢-混凝土混合结构