直接測(ce)數法是憑借(jie)照布(bu)(bu)(bu)(bu)鏡或織(zhi)物密度(du)(du)分(fen)析鏡來完成。織(zhi)物密度(du)(du)分(fen)析鏡的刻度(du)(du)尺長(chang)度(du)(du)為(wei)5cm,在分(fen)析鏡頭下(xia)面(mian),8安染色(se)全棉(mian)(mian)帆布(bu)(bu)(bu)(bu) 棉(mian)(mian)帆布(bu)(bu)(bu)(bu) 就是棉(mian)(mian)線(xian)布(bu)(bu)(bu)(bu) 俗稱CC56,還有聚酯輸(shu)送(song)帶、尼龍輸(shu)送(song)帶、相比(bi)(bi)棉(mian)(mian)帆布(bu)(bu)(bu)(bu)輸(shu)送(song)帶拉(la)力大。棉(mian)(mian)帆布(bu)(bu)(bu)(bu)輸(shu)送(song)帶,適用于短距離、載量中等條件下(xia)輸(shu)送(song)物料,拉(la)力比(bi)(bi)較低,承重有一定(ding)的限制。由全棉(mian)(mian)帆布(bu)(bu)(bu)(bu)...