steel car钢质车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 girder bridges钢梁桥Steel-band bolting钢带锚杆支护steel nails of array钢排钉steel fiber concrete钢纤维混凝土steel film selection钢带式选针steel industry group钢铁企业集团steel fishing vessel钢质渔船steel pipe falsework钢管支架steel beam for crane吊车钢轨steel inner cylinder钢内筒