直接測數法是憑借照布(bu)鏡(jing)(jing)或(huo)織物密度分(fen)析鏡(jing)(jing)來完成。織物密度分(fen)析鏡(jing)(jing)的刻度尺長(chang)度為(wei)5cm,在(zai)分(fen)析鏡(jing)(jing)頭下(xia)面,24安染(ran)色全(quan)棉(mian)(mian)帆(fan)(fan)布(bu) 滌(di)(di)(di)綸(lun)印花帆(fan)(fan)布(bu),滌(di)(di)(di)綸(lun)帆(fan)(fan)布(bu)是全(quan)滌(di)(di)(di)帆(fan)(fan)布(bu),有的全(quan)滌(di)(di)(di)帆(fan)(fan)布(bu)可能(neng)比全(quan)棉(mian)(mian)帆(fan)(fan)布(bu)還要貴,滌(di)(di)(di)綸(lun)帆(fan)(fan)布(bu)強(qiang)度高(gao)、彈(dan)性(xing)(xing)好(hao)、耐(nai)(nai)(nai)沖(chong)擊性(xing)(xing)好(hao)、耐(nai)(nai)(nai)腐、耐(nai)(nai)(nai)蛀、耐(nai)(nai)(nai)熱、耐(nai)(nai)(nai)光性(xing)(xing)好(hao),曝曬1000小時,強(qiang)力保持60-70%,但是...