真实黑人处破女,真实国产乱子伦高清对白直播,c了瑜伽老师一节课视频,一个人看的WWW片免费高清中文

  • <blockquote id="7l9la"><samp id="7l9la"><button id="7l9la"></button></samp></blockquote>
    1. <th id="7l9la"><sup id="7l9la"></sup></th>
      <center id="7l9la"></center>
      <center id="7l9la"><em id="7l9la"><track id="7l9la"></track></em></center>

      Mobile Button

      Ethylene

      Ethylene (C2H4) is an olefinic hydrocarbon used as feedstock for various processes and production of petrochemicals, such as PE, SM, VCM, VAM, EG, etc.

      Propylene

      Propylene (C3H6) is an olefinic hydrocarbon recovered from refinery processes or petrochemical processes. The propylene produced by Formosa Petrochemical's naphtha crackers is typically non-fuel use propylene. Non-fuel use propylene is one intended for use in non-fuel applications, such as petrochemical production and processes. Non-fuel use propylene includes chemical-grade propylene, polymer-grade propylene, and trace amounts of propane. Propylene is used as feedstock for various processes and production of petrochemicals, such as PP, AN, Phenol, 2EH, etc.

      Butadience

      Butadiene, or 1, 3 butadiene, is a flammable gaseous olefin used in the production of synthetic elastomer (synthetic rubber), ABS, 1, 4-butanediol and nylon 6, 6.

      Riffinate-1

      Riffinate-1, or BBR, is a mixture of 1-butene, 2-butene, isobutene (isobutylene) and butane, used in the production of MTBE and 1-butene.

       
    2. <blockquote id="7l9la"><samp id="7l9la"><button id="7l9la"></button></samp></blockquote>
      1. <th id="7l9la"><sup id="7l9la"></sup></th>
        <center id="7l9la"></center>
        <center id="7l9la"><em id="7l9la"><track id="7l9la"></track></em></center>

        真实黑人处破女,真实国产乱子伦高清对白直播,c了瑜伽老师一节课视频,一个人看的WWW片免费高清中文

        品牌简介

        {转码主词}