直接測(ce)數(shu)法(fa)是(shi)(shi)憑借照布(bu)鏡(jing)或織(zhi)物(wu)(wu)密度分析(xi)鏡(jing)來(lai)完成(cheng)。織(zhi)物(wu)(wu)密度分析(xi)鏡(jing)的刻度尺長度為5cm,在分析(xi)鏡(jing)頭下面,YH2260印花(hua)帆布(bu) 全棉印花(hua)帆布(bu),純棉帆布(bu),顧名思義,就(jiu)是(shi)(shi)100%的棉織(zhi)物(wu)(wu)了,棉織(zhi)物(wu)(wu)的優點是(shi)(shi)吸濕性(xing)強,染色(se)性(xing)能(neng)好,手感柔(rou)軟,穿著舒(shu)適,外觀樸素,不易蟲蛀(zhu),堅牢耐用(yong);其缺(que)點就(jiu)是(shi)(shi)快干(gan)性(xing)能(neng)差。全棉印花(hua)...