threeleaf三叶
threenum.三n.三;三个adj.三个的
three phase rectifier三相整流
three major functions三大功能
three-factor design三因素设计
three-phase breaker三相断路器
three decibel coupler三分贝耦合器
three-phase circuit三相电路
three hundred and ten(=310) 三百一十
Three Kingdoms Period三国时期
Three-tier Exchange三层交换
three bearing support三支撑