three peak装饰用手帕山字形插法threenum.三n.三；三个adj.三个的three-ring type gear reducer三环减速器three-color raster signature三色栅格标识图（3CRS）three-stator winding synchro三定子绕组自动同步机three-dimensional holography三维全息术Three flavour Crispy rice soup三鲜锅巴汤Three times six is eighteen.三乘六得十八。Three plus five makes eight.三加五等于八。three important styles of work三大作风three - dimensional Pro/E三维Pro/Ethree stepwise updating method三步抗差修正