直(zhi)接測數法是憑借照布(bu)(bu)鏡(jing)或(huo)織物(wu)(wu)密(mi)(mi)度分析鏡(jing)來(lai)完成。織物(wu)(wu)密(mi)(mi)度分析鏡(jing)的(de)(de)刻(ke)度尺長(chang)度為5cm,在分析鏡(jing)頭(tou)下面,一塊長(chang)條形(xing)玻璃片(pian)上刻(ke)有(you)一條紅線, 棉(mian)帆(fan)布(bu)(bu) 就是棉(mian)線布(bu)(bu) 俗稱CC56,還有(you)聚酯輸(shu)(shu)送帶(dai)、尼龍輸(shu)(shu)送帶(dai)、相比棉(mian)帆(fan)布(bu)(bu)輸(shu)(shu)送帶(dai)拉力大。棉(mian)帆(fan)布(bu)(bu)輸(shu)(shu)送帶(dai),適用于短距離、載(zai)量中(zhong)等條件下輸(shu)(shu)送物(wu)(wu)料(liao),拉力比較(jiao)低,承重(zhong)有(you)一定的(de)(de)...