steelite钨铬钴合金
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 plate shape钢板板形
steel development品种开发
steel coal bunker钢煤仓
steel-tube pile钢管桩
steel- concrete组合梁
steel tube making钢管制作
steel line drawer钢线拉线机
steel coal hopper钢煤斗
steel pipe column钢管柱
steel wire packer钢丝打包机