直接測數法是(shi)憑借(jie)照布鏡(jing)或織(zhi)(zhi)(zhi)物密度(du)分析(xi)鏡(jing)來(lai)完(wan)成。織(zhi)(zhi)(zhi)物密度(du)分析(xi)鏡(jing)的(de)刻度(du)尺長(chang)度(du)為(wei)5cm,在(zai)分析(xi)鏡(jing)頭下(xia)面(mian),20安染(ran)色全棉(mian)帆(fan)(fan)布 全棉(mian)印花帆(fan)(fan)布,純棉(mian)帆(fan)(fan)布,顧名思義,就是(shi)100%的(de)棉(mian)織(zhi)(zhi)(zhi)物了,棉(mian)織(zhi)(zhi)(zhi)物的(de)優點是(shi)吸(xi)濕性強,染(ran)色性能好,手感柔軟,穿著(zhu)舒適,外(wai)觀樸素,不(bu)易蟲蛀(zhu),堅牢(lao)耐用;其缺點就是(shi)快干性能差。全棉(mian)印花帆(fan)(fan)...