直接測(ce)數法是憑(ping)借照布(bu)鏡(jing)(jing)或織(zhi)物(wu)密度(du)分析(xi)鏡(jing)(jing)來完成。織(zhi)物(wu)密度(du)分析(xi)鏡(jing)(jing)的(de)刻度(du)尺長(chang)度(du)為5cm,在分析(xi)鏡(jing)(jing)頭下面,一塊長(chang)條(tiao)形(xing)玻(bo)璃片上刻有(you)一條(tiao)紅線(xian), 全棉(mian)印花(hua)帆布(bu),純棉(mian)帆布(bu),顧(gu)名思義,就是100%的(de)棉(mian)織(zhi)物(wu)了(le),棉(mian)織(zhi)物(wu)的(de)優點(dian)是吸濕性(xing)(xing)強,染色性(xing)(xing)能好(hao),手(shou)感柔軟,穿著舒適,外(wai)觀(guan)樸素,不易蟲蛀,堅牢(lao)耐用;其缺點(dian)就是快干(gan)性(xing)(xing)能...