直接測數法是(shi)憑借照布(bu)(bu)鏡(jing)或(huo)織(zhi)(zhi)物密度(du)分(fen)(fen)析(xi)鏡(jing)來完成。織(zhi)(zhi)物密度(du)分(fen)(fen)析(xi)鏡(jing)的(de)刻度(du)尺長(chang)度(du)為5cm,在分(fen)(fen)析(xi)鏡(jing)頭(tou)下面,YH2278印(yin)花帆(fan)布(bu)(bu) 全(quan)棉(mian)印(yin)花帆(fan)布(bu)(bu),純棉(mian)帆(fan)布(bu)(bu),顧(gu)名思(si)義(yi),就是(shi)100%的(de)棉(mian)織(zhi)(zhi)物了,棉(mian)織(zhi)(zhi)物的(de)優點是(shi)吸濕性(xing)(xing)強,染色(se)性(xing)(xing)能好(hao),手感(gan)柔(rou)軟(ruan),穿著舒適,外觀(guan)樸素,不易蟲蛀,堅牢耐用;其缺點就是(shi)快干(gan)性(xing)(xing)能差(cha)。全(quan)棉(mian)印(yin)花...