亚洲精品亚洲人成在线观看麻豆,在线欧美视频一区,亚洲国产精品一区二区动图,色综合久久丁香婷婷

              當(dāng)前位置:首頁(yè) > 英漢互譯 > 合成革專(zhuān)業(yè)英語(yǔ) > 正文

              Lesson 1 Introduction to nonwoven fabrics
              工業(yè)科技

                      3.1.1 Definition of nonwoven fabricsThe nonwoven fabric is a kind of fiber products and its processing technology of nonwovenfabric is a new technology for the textile industry. The nonwoven fabric industry is a newlydeveloping field involving in a wide r......(本文共 7218 字)     [閱讀本文] >>

              開(kāi)通會(huì)員,享受整站包年服務(wù)立即開(kāi)通 >