直接測數(shu)法是(shi)憑借照布(bu)(bu)鏡或織物密(mi)(mi)度(du)分析鏡來完成。織物密(mi)(mi)度(du)分析鏡的(de)(de)刻度(du)尺長度(du)為5cm,在(zai)分析鏡頭(tou)下面,一塊長條(tiao)形(xing)玻(bo)璃片上刻有一條(tiao)紅線(xian), 棉帆布(bu)(bu) 就是(shi)棉線(xian)布(bu)(bu) 俗(su)稱CC56,還有聚酯輸(shu)送(song)(song)帶(dai)(dai)、尼龍輸(shu)送(song)(song)帶(dai)(dai)、相(xiang)比棉帆布(bu)(bu)輸(shu)送(song)(song)帶(dai)(dai)拉力(li)大。棉帆布(bu)(bu)輸(shu)送(song)(song)帶(dai)(dai),適用(yong)于短距離(li)、載量中等(deng)條(tiao)件(jian)下輸(shu)送(song)(song)物料(liao),拉力(li)比較低,承重有一定(ding)的(de)(de)...