threeleveladj.三级的threenum.三n.三；三个adj.三个的Three-dimensional wire bond立体键合Three kings and five emperors三皇五帝three-dimensional textbooks立体化教材three-chamber air reservoir三室贮气筒three-dimensional synthesis三维合成three hundred and seventy one(=371) 三百七十一three rollers cross-rolling三辊横轧three-channel impeller pump三路叶轮泵three-phase summarizing bus三相汇总母线three-dimensional digitizer三维数字转换器