three peak装饰用手帕山字形插法threenum.三n.三；三个adj.三个的three-wheeled motor vehicle三轮汽车three-deck vibrating screen三层振动筛Three phase power saving unit三相省电装置three-wire rotary converter三线变流机three thousand and twenty two(=3022) 三千零二十二Three-phase to four-phase三相变四相three-dimensional modelling三维建模three colors auto-alignment自动三色会聚Three-Axis Antenna Position三轴天线定位器three phase transmission line三相输电线