单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级Writinga faster PCimproved disc storageInternetthe monitor is smallerused recycled materialsa flat screen Make a dialogue according to the situation using the phr

Chemistry of Organic Polymers and RecyclingTaz ChoudhuryChem 481March 2nd 2006Organic PolymersA macromolecule which is made of structurally similar monomers repeatedly connected by covalent main gr