直(zhi)接測數法是憑借照(zhao)布(bu)鏡(jing)或(huo)織物(wu)密度(du)分(fen)析(xi)鏡(jing)來(lai)完成(cheng)。織物(wu)密度(du)分(fen)析(xi)鏡(jing)的刻度(du)尺長度(du)為5cm,在分(fen)析(xi)鏡(jing)頭下面(mian),12安染色(se)全棉(mian)(mian)帆(fan)布(bu) 滌(di)(di)棉(mian)(mian)印花帆(fan)布(bu),就是含有滌(di)(di)綸和棉(mian)(mian)兩種成(cheng)分(fen),至于其(qi)具體(ti)的成(cheng)分(fen)比例是沒有規定的,只要其(qi)構(gou)成(cheng)符合條件就可以(yi)以(yi)其(qi)命名的;滌(di)(di)棉(mian)(mian)帆(fan)布(bu)是在全棉(mian)(mian)帆(fan)布(bu)的基礎上發展起(qi)來(lai)的,添加進滌(di)(di)的成(cheng)分(fen),所以(yi)面(mian)料強(qiang)...