直接(jie)測數法(fa)是憑借照(zhao)布(bu)鏡(jing)或織物(wu)密(mi)度分(fen)(fen)析(xi)鏡(jing)來完(wan)成。織物(wu)密(mi)度分(fen)(fen)析(xi)鏡(jing)的(de)刻度尺(chi)長(chang)度為5cm,在分(fen)(fen)析(xi)鏡(jing)頭下面,YH2263印花帆(fan)(fan)布(bu) 棉(mian)帆(fan)(fan)布(bu) 就是棉(mian)線布(bu) 俗稱CC56,還有(you)(you)聚(ju)酯輸(shu)送(song)帶(dai)、尼龍輸(shu)送(song)帶(dai)、相比棉(mian)帆(fan)(fan)布(bu)輸(shu)送(song)帶(dai)拉力(li)大。棉(mian)帆(fan)(fan)布(bu)輸(shu)送(song)帶(dai),適(shi)用(yong)于短距(ju)離、載量中等條件下輸(shu)送(song)物(wu)料,拉力(li)比較低,承重(zhong)有(you)(you)一定的(de)限制。由全棉(mian)...