直接(jie)測(ce)數法是(shi)憑借照布(bu)(bu)(bu)鏡(jing)(jing)或織物密(mi)度分(fen)(fen)析鏡(jing)(jing)來完成。織物密(mi)度分(fen)(fen)析鏡(jing)(jing)的刻度尺長(chang)度為5cm,在分(fen)(fen)析鏡(jing)(jing)頭下(xia)面(mian),10858染色(se)全棉(mian)(mian)帆布(bu)(bu)(bu) 棉(mian)(mian)帆布(bu)(bu)(bu) 就是(shi)棉(mian)(mian)線(xian)布(bu)(bu)(bu) 俗稱CC56,還有聚酯輸(shu)送(song)帶(dai)(dai)、尼龍輸(shu)送(song)帶(dai)(dai)、相比棉(mian)(mian)帆布(bu)(bu)(bu)輸(shu)送(song)帶(dai)(dai)拉(la)(la)力(li)大。棉(mian)(mian)帆布(bu)(bu)(bu)輸(shu)送(song)帶(dai)(dai),適用于短(duan)距離(li)、載量中等(deng)條件下(xia)輸(shu)送(song)物料,拉(la)(la)力(li)比較(jiao)低,承重(zhong)有一(yi)定的限制。由(you)全...