直接測(ce)數法是憑借照布(bu)鏡(jing)或(huo)織(zhi)物(wu)密度分析(xi)鏡(jing)來完成。織(zhi)物(wu)密度分析(xi)鏡(jing)的(de)(de)刻(ke)度尺長度為5cm,在分析(xi)鏡(jing)頭下面(mian),一塊長條(tiao)形玻璃片(pian)上刻(ke)有一條(tiao)紅線(xian)(xian), 手(shou)(shou)套(tao)機(ji)縫(feng)制(zhi)(zhi)的(de)(de)針腳越細密,帆布(bu)手(shou)(shou)套(tao)就越結實(shi),一般(ban)不會開線(xian)(xian)。買帆布(bu)手(shou)(shou)套(tao)的(de)(de)人都(dou)明(ming)(ming)白(bai)這個道理。手(shou)(shou)套(tao)開線(xian)(xian)是一件很郁(yu)悶的(de)(de)事。所以我們無(wu)論(lun)采用明(ming)(ming)線(xian)(xian)還是暗線(xian)(xian)縫(feng)制(zhi)(zhi)的(de)(de)手(shou)(shou)套(tao),針腳兒的(de)(de)長...