182067 186104 187053 186486 182067 188233 188213 111768 144046 143186 187546 143186 172340 111768 144046 187546 174215 188216 188234 174215 185844 150742 151970 187304 167829 178064 156840 145558 156840 175978 187639 187636 188250 187649 186020 160091 185907 187512 187514 186020 178064 151848 179354 180419 167829 158616 49599 187436 155681 164143 187247 173599 49599 173599 185583 132947 187546 164143 188210 188250 138720 164143 184923 132947 138720 187415 187157 169936 169936 152002 150937 184961 180923 tatus' => '0', 'boardlicensed' => '0', 'censoremail' => '', 'censoruser' => 'admin *红樱桃* *版主* *管理员* *6yes* *公司*', 'creditsformula' => '$member[\'extcredits1\']/2+$member[\'extcredits5\']/3+$member[\'extcredits3\']/5', 'creditsformulaexp' => '总积分=威望/2+学术指数/3+贡献值/5', 'creditspolicy' => array ( 'post' => array ( 2 => 1, ), 'reply' => array ( 2 => 0, ), 'digest' => array ( 1 => 1, 2 => 0, ), 'postattach' => array ( 2 => 0, ), 'getattach' => array ( 2 => 1, ), 'search' => array ( 2 => 0, ), 'promotion_visit' => array ( 2 => 0, ), 'promotion_register' => array ( 3 => 1, 2 => 0, ), 'tradefinished' => array ( 2 => 0, ), 'votepoll' => array ( 2 => 0, ), 'lowerlimit' => array ( ), 'pm' => array ( 2 => 0, ), ), 'creditstax' => '0', 'creditstrans' => '2', 'dateformat' => 'Y-n-j', 'debug' => '1', 'delayviewcount' => '3', 'deletereason' => '', 'doublee' => '0', 'dupkarmarate' => '1', 'ec_account' => 'viphippo@gmail.com', 'ec_maxcredits' => '0', 'ec_maxcreditspermonth' => '0', 'ec_mincredits' => '1000', 'ec_ratio' => '50', 'rewritecompatible' => '1', 'editedby' => '1', 'editoroptions' => '1', 'edittimelimit' => '6000', 'exchangemincredits' => '1', 'extcredits' => array ( 1 => array ( 'title' => '威望', 'unit' => '点', 'ratio' => 100, 'lowerlimit' => 0, 'showinthread' => '1', 'allowexchangein' => '1', 'allowexchangeout' => NULL, ), 2 => array ( 'title' => '金钱', 'unit' => 'YT 轮胎工业发展刺激橡胶需求 - 【高分子】 - 红樱桃化学化工网 - Powered by SupeSite

轮胎工业发展刺激橡胶需求

汽车离不开轮胎,而轮胎又离不开橡胶材料。各种不同结构、性能和用途的轮胎,则需要各种不同材质、性能的橡胶材料。目前,大量应用于轮胎制造的橡胶材料主要有天然橡胶和合成橡胶。在天然橡胶中用量较大的有进口20号标胶、3号烟片胶、国产5号标胶;在合成橡胶中用量较大的有丁苯胶、顺丁胶、丁基胶等。关于2006年回顾国内生产总值达20.94亿元,同比增长10.7%,已连续4年增速达10%。在国民经济快速发展的形势下……

阅读全文请点击:http://www.s-rubber.com/Market/Content.aspx?id=45295