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