fold: n.1.折，折叠。2.褶痕，褶层，褶页。3.(蛇，蝇等的)一卷，一团。4.(起伏地的)凹处，洼；〔pl.〕(地形的)重叠起伏；【地质学；地理学】褶皱。5.【动物；动物学】(腕足类的)中隆。6.【解剖学】褶。短语和例子Another fold give a 32mo. 再一折就是32开。vt.1.折叠；对折 (back in over together up)。2.合拢；交叠
Experiences of reducing twist irregularity of folded yarn 空心锭子差捻包缠纱捻度作用研究
2.
Spinning machine - a laboratory sample spinning machine for producing single and two fold yarns of appropriate count for subsequent knitting to produce sample swatches for washing testing in accordance with iws tm31 纺纱机此实验室样品纺纱机生产适合支数（号数）的单纱和双合股线，为了后来的针织生产出样品布，依照国际羊毛局技术手册31进行耐洗试验。
