<正>As large amount of concrete is applied in construction.the poor performance of anti-cracking and toughness arouses great attention to concrete improving.At
<正>INVISTA,owner of LYCRA?fibre,and Lenzing,a leading producer of man-made cellulosics like rayon,modal,and lyocell,are working together to bring improved aest
<正>CEMATEX(Comite Europeen des Constructeurs de Machines Textiles)is an organization comprising 9 national European textile machinery associations in the free