直接測數法是憑借照布(bu)鏡(jing)或織物密(mi)度(du)(du)分(fen)析鏡(jing)來完成。織物密(mi)度(du)(du)分(fen)析鏡(jing)的刻度(du)(du)尺長度(du)(du)為(wei)5cm,在分(fen)析鏡(jing)頭(tou)下(xia)(xia)面,一塊長條(tiao)形(xing)玻璃(li)片上(shang)刻有一條(tiao)紅(hong)線, 棉帆布(bu) 就是棉線布(bu) 俗稱(cheng)CC56,還(huan)有聚酯輸(shu)送(song)(song)(song)(song)帶、尼(ni)龍輸(shu)送(song)(song)(song)(song)帶、相比棉帆布(bu)輸(shu)送(song)(song)(song)(song)帶拉力大(da)。棉帆布(bu)輸(shu)送(song)(song)(song)(song)帶,適用于短距(ju)離、載量中等(deng)條(tiao)件下(xia)(xia)輸(shu)送(song)(song)(song)(song)物料,拉力比較(jiao)低,承(cheng)重有一定(ding)的...