直接測數法是憑借照布鏡(jing)(jing)或織(zhi)物(wu)密(mi)度分(fen)(fen)(fen)析鏡(jing)(jing)來(lai)完成。織(zhi)物(wu)密(mi)度分(fen)(fen)(fen)析鏡(jing)(jing)的(de)(de)刻度尺長(chang)度為5cm,在分(fen)(fen)(fen)析鏡(jing)(jing)頭下面,一(yi)塊長(chang)條形玻璃片(pian)上刻有一(yi)條紅線(xian)(xian)(xian), 手(shou)套機(ji)縫(feng)制(zhi)的(de)(de)針腳(jiao)越細密(mi),帆(fan)(fan)布手(shou)套就越結(jie)實,一(yi)般不會開線(xian)(xian)(xian)。買帆(fan)(fan)布手(shou)套的(de)(de)人(ren)都明白這個道(dao)理。手(shou)套開線(xian)(xian)(xian)是一(yi)件(jian)很郁悶的(de)(de)事。所以我們無(wu)論采用明線(xian)(xian)(xian)還是暗線(xian)(xian)(xian)縫(feng)制(zhi)的(de)(de)手(shou)套,針腳(jiao)兒(er)的(de)(de)長(chang)...