Threeline三线眼线鮗
threenum.三n.三;三个adj.三个的
three-dimension data3维数据
three-way space grid三向空间网架
three-way connection三通接头
three lines one circle三线一圆
three-phase traction三相牵引
three states of matter物质三态
three-plase inverter三相逆变器, 三相反向变流机
three-head inhibitor三头抑制剂
three cotton genotypes三种棉花遗传型
three-quarter binding四分之三装订法