直接(jie)測(ce)數法是憑借(jie)照布(bu)鏡(jing)或織(zhi)物密度(du)分(fen)(fen)析鏡(jing)來完成。織(zhi)物密度(du)分(fen)(fen)析鏡(jing)的刻度(du)尺長度(du)為5cm,在分(fen)(fen)析鏡(jing)頭下面,12安(an)染(ran)色全棉(mian)帆(fan)布(bu) 全棉(mian)印花(hua)帆(fan)布(bu),純棉(mian)帆(fan)布(bu),顧(gu)名思義,就(jiu)是100%的棉(mian)織(zhi)物了,棉(mian)織(zhi)物的優點是吸濕性強,染(ran)色性能好(hao),手感(gan)柔(rou)軟,穿著舒適(shi),外觀樸素,不易蟲(chong)蛀,堅牢耐用;其缺點就(jiu)是快干(gan)性能差。全棉(mian)印花(hua)帆(fan)...