直接測(ce)數法是(shi)憑借照布(bu)(bu)鏡或織(zhi)物(wu)密(mi)度(du)(du)分(fen)(fen)析鏡來(lai)完(wan)成。織(zhi)物(wu)密(mi)度(du)(du)分(fen)(fen)析鏡的刻度(du)(du)尺長(chang)度(du)(du)為5cm,在分(fen)(fen)析鏡頭(tou)下面,YH2260印(yin)花(hua)帆布(bu)(bu) 全棉印(yin)花(hua)帆布(bu)(bu),純棉帆布(bu)(bu),顧(gu)名思義,就(jiu)是(shi)100%的棉織(zhi)物(wu)了(le),棉織(zhi)物(wu)的優點(dian)是(shi)吸濕性(xing)強,染(ran)色(se)性(xing)能(neng)好,手感柔軟,穿著(zhu)舒適,外觀樸(pu)素(su),不易(yi)蟲蛀,堅牢耐用;其缺(que)點(dian)就(jiu)是(shi)快(kuai)干性(xing)能(neng)差。全棉印(yin)花(hua)...