直接(jie)測(ce)數法是憑(ping)借照布鏡或織(zhi)(zhi)(zhi)物密度(du)(du)(du)分析(xi)鏡來完成。織(zhi)(zhi)(zhi)物密度(du)(du)(du)分析(xi)鏡的刻度(du)(du)(du)尺長(chang)度(du)(du)(du)為(wei)5cm,在分析(xi)鏡頭下面,YH2277印花帆布 維(wei)(wei)尼(ni)綸纖維(wei)(wei)強(qiang)度(du)(du)(du)達200牛/(毫(hao)米·層),彈性(xing)伸長(chang)比尼(ni)龍纖維(wei)(wei)小,易與橡(xiang)膠粘合,耐熱(re)性(xing)能好,但濕態時(shi)強(qiang)度(du)(du)(du)要降低10~25%,僅在中國(guo)、日(ri)本等少(shao)數國(guo)家應用。在編(bian)織(zhi)(zhi)(zhi)帶芯時(shi)可以(yi)只(zhi)用一種...