three pads三支撑掌
threenum.三n.三;三个adj.三个的
three-focus objective lens三焦点物镜
three-pit system of liming三槽浸灰法
three dimensional flow field三维流场
three thousand and forty six(=3046) 三千零四十六
Three phase four wire couper三相四线耦合器
three large economic regions三大经济圈
Three-dimensional focusing三维聚焦
three-step distance relays三段距离继电保护装置