直接測數法(fa)是憑借(jie)照(zhao)布(bu)(bu)鏡或織(zhi)物密度(du)(du)分(fen)析(xi)鏡來(lai)完(wan)成。織(zhi)物密度(du)(du)分(fen)析(xi)鏡的刻度(du)(du)尺長度(du)(du)為5cm,在分(fen)析(xi)鏡頭下面,YH2280印花(hua)帆布(bu)(bu) 棉(mian)(mian)帆布(bu)(bu) 就是棉(mian)(mian)線布(bu)(bu) 俗(su)稱CC56,還有(you)聚(ju)酯輸(shu)(shu)送(song)帶(dai)、尼龍輸(shu)(shu)送(song)帶(dai)、相比棉(mian)(mian)帆布(bu)(bu)輸(shu)(shu)送(song)帶(dai)拉(la)力(li)大。棉(mian)(mian)帆布(bu)(bu)輸(shu)(shu)送(song)帶(dai),適用于短距(ju)離、載量中(zhong)等條件下輸(shu)(shu)送(song)物料,拉(la)力(li)比較(jiao)低(di),承重(zhong)有(you)一(yi)定的限制。由全(quan)棉(mian)(mian)...