Polymer =Macromolecule Polymer (1)made of repeat unit,(2)form long chains CC4→CC8一CgC3一C14C0 Natural Gas Gasoline Kerosene Diesel oil -Heavy Oil→ ·Polyethylene 口 ■ ■口0口■■卫■ PDF文件使用"pdfFactory Pro”试用版本创建wm,fineprint.com,cn Polymer (1) made of repeat unit, (2) form long chains Polymer ＝Macromolecule C1~C4 C5~C8 C9~C13 C14~C20 ¼¼ Natural Gas Gasoline Kerosene Diesel oil Heavy Oil Polyethylene PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿwww.fineprint.com.cn