直接測(ce)數法是憑借照布(bu)(bu)(bu)鏡(jing)或織(zhi)物密度分析鏡(jing)來完成。織(zhi)物密度分析鏡(jing)的刻度尺長度為(wei)5cm,在(zai)分析鏡(jing)頭下面,YH2279印花帆(fan)布(bu)(bu)(bu) 棉(mian)帆(fan)布(bu)(bu)(bu) 就(jiu)是棉(mian)線布(bu)(bu)(bu) 俗稱CC56,還有聚酯輸送(song)帶(dai)、尼龍輸送(song)帶(dai)、相比棉(mian)帆(fan)布(bu)(bu)(bu)輸送(song)帶(dai)拉力大。棉(mian)帆(fan)布(bu)(bu)(bu)輸送(song)帶(dai),適用于短距離、載量中等條件下輸送(song)物料,拉力比較低(di),承重(zhong)有一定(ding)的限制。由全棉(mian)...