size 4x6 2 ply and 3x4 2 ply是什么意思?

size 4x6 2 ply and 3x4 2 ply是什么意思? ply 表示什么样的纱线2 ply,4 ply,etc.I'll be needing 2 ply fingering weight yarn,4 ply sport weight yarn,8 ply & 12 ply.I'd like to order natural,undyed cashmere as well as dyed.请问上面的ply表示什么样子的纱线阿?和nm表示法 5ply 4 flap 古典吉他的 full size 1/2 size 3/4size都是什么意思. 1x2+2x4+3x6+4x8 ------------------------------- 2x3+4x6+6x9+8x12简便方法啊（1x2+2x4+3x6+4x8 ）/（ 2x3+4x6+6x9+8x12） （1x2+2x4+3x6+4x8）/（2x3+4x6+6x9+8x12)简便方法啊, 平方英寸的简写在一个仪器介绍上面看到：Mask Size：3 and 5Wafer Size：2 and 4我知道''是英寸的缩写,那么上面的''''是指平方英寸吗? 英语翻译Table 2 and Fig.3 show the influences of particle size and contents of PEG onmorphology of TiO2 film.Pore size and porosity increased with the amount of theadded PEG.The SEM images (Fig.4) also confirmed these phenomena.The shapeand size (72一4)X6÷3 英语翻译有助于1.Crinkle Cut:Size:3 Inch and Larger (10 %) per 2 Kg bag 3 2 Inches (50 %) per 2 Kg bag2 Inch and smaller (40 %) per 2 Kg bag2.Wedge Cut:Size:4 Inch and Larger (7 %) per 5 Lb bag4 2 Inches (35 %) per 5 Lb bag2 Inch and smaller (3 下面是题,横线是分数线,上面是分子,下面是分母11 1 2 7 5 3 5 5 4 4 ----X16 ----- X----- -----X6＋-----X6 -----X----- -ply是什么意思 英语翻译Packing:In a soft pouch together with the Swedish instruction sheet,cleaning cloth and 2pcs silica gel bag (干燥剂),then into bubble plastic and a 3-ply white mail order box.Each mail-order box should be able to stand for 1 m drop test 1x2+2x4+3x6+4x8+5x10+.+20x40 怎么算? 1/1x3+1/2x4+1/3x5+1/4x6+...+1/100x102=? 1x2+2x4+3x6+4x8+5x10+.+20x40 简便计算 1/1x3+1/2x4+1/3x5+1/4x6+...+1/10x12 1x3+2x4+3x5+4x6..+99x101=?