直(zhi)接測數法是(shi)憑借照(zhao)布鏡(jing)(jing)或(huo)織(zhi)物密(mi)度分(fen)析鏡(jing)(jing)來(lai)完成。織(zhi)物密(mi)度分(fen)析鏡(jing)(jing)的刻度尺長度為5cm,在分(fen)析鏡(jing)(jing)頭下(xia)面,20安染色全棉(mian)帆(fan)(fan)布 手(shou)套(tao)(tao)機縫制(zhi)的針腳越細密(mi),帆(fan)(fan)布手(shou)套(tao)(tao)就越結實,一(yi)般不會開(kai)線(xian)。買(mai)帆(fan)(fan)布手(shou)套(tao)(tao)的人都明(ming)白(bai)這(zhe)個道理(li)。手(shou)套(tao)(tao)開(kai)線(xian)是(shi)一(yi)件很郁(yu)悶的事。所以我們無論采用明(ming)線(xian)還是(shi)暗線(xian)縫制(zhi)的手(shou)套(tao)(tao),針腳兒(er)的長短(duan)都應均(jun)勻一(yi)致...