直接測數法(fa)是憑借照布鏡(jing)(jing)或織物(wu)(wu)密(mi)度(du)(du)(du)分(fen)析(xi)鏡(jing)(jing)來(lai)完成。織物(wu)(wu)密(mi)度(du)(du)(du)分(fen)析(xi)鏡(jing)(jing)的刻度(du)(du)(du)尺長度(du)(du)(du)為5cm,在分(fen)析(xi)鏡(jing)(jing)頭下面,滌棉(mian)(mian)帆布 棉(mian)(mian)帆布 就是棉(mian)(mian)線布 俗稱CC56,還有聚酯輸(shu)送(song)帶(dai)(dai)、尼龍輸(shu)送(song)帶(dai)(dai)、相比(bi)棉(mian)(mian)帆布輸(shu)送(song)帶(dai)(dai)拉力(li)大。棉(mian)(mian)帆布輸(shu)送(song)帶(dai)(dai),適用于短距離(li)、載量中等條件(jian)下輸(shu)送(song)物(wu)(wu)料,拉力(li)比(bi)較低,承重(zhong)有一定的限制。由全棉(mian)(mian)帆布(CC)...