threestepadj.三级的
threenum.三n.三;三个adj.三个的
three-dimension solids三维实体
three-fingered caliper三指内径规
Threedimensional culture三维培养
three-point suspension三点悬置
three-function trolley三用手推车
three-point field goal3分球
three-roller high mill三辊轧坯机
three-dimensional grid三维网格
three-order dispersion三阶色散
three-injecting-pump三元注入泵