直(zhi)接(jie)測數法(fa)是(shi)憑(ping)借照(zhao)布(bu)鏡或(huo)織(zhi)(zhi)物密度(du)(du)分(fen)析(xi)鏡來完成。織(zhi)(zhi)物密度(du)(du)分(fen)析(xi)鏡的刻度(du)(du)尺(chi)長度(du)(du)為(wei)5cm,在分(fen)析(xi)鏡頭下(xia)面,中圓點印花帆(fan)布(bu) 全(quan)棉(mian)印花帆(fan)布(bu),純棉(mian)帆(fan)布(bu),顧名思義,就(jiu)是(shi)100%的棉(mian)織(zhi)(zhi)物了,棉(mian)織(zhi)(zhi)物的優點是(shi)吸濕性(xing)(xing)強,染色性(xing)(xing)能(neng)好,手感柔軟,穿著舒適(shi),外觀樸素,不易(yi)蟲蛀(zhu),堅牢耐用;其缺(que)點就(jiu)是(shi)快干性(xing)(xing)能(neng)差。全(quan)棉(mian)印花帆(fan)布(bu)是(shi)...