• 回答数

    3

  • 浏览数

    81

暖洋洋的心2006
首页 > 英语培训 > 石蜡组织英文

3个回答 默认排序
  • 默认排序
  • 按时间排序

无锡一号

已采纳

石蜡是各种多烃物质的混合物,不存在化学式

石蜡组织英文

241 评论(13)

不懂爱为何物

石蜡是各种多烃物质的混合物,不存在具体的化学式就像石油是多种有机物的混合物一样,没有化学式的。

276 评论(10)

linlin0530

The paraffin wax, the atmospheric distillation, the catalysis decomposes, the gas fractionation, the product purifies, the urea dewaxing, the acrylic acid and the ester, the underground oil line, the railroad private line, the boiler, the power set, the high-pressured double power source power supply outwire,93# gasoline, the diesel oil, the naphtha, the bunker oil, the whiteruss, the propylene, the civil liquified petroleum gas, the vehicle with the liquified petroleum gas, the acrylic acid, the acrylic acid armor fat, the acrylic acid second grade fat, acrylic acid Ding Zhi, the acrylic acid - Xin fat, catalyzes the hot decomposition, the craft technology, the atmospheric pressure residual oil, the ethylene, the catalytic cracking family technology, catalyzes the hot decomposition system ethylene, the polyvinyl-chloride, the Heavy tar oil raw material, catalyzes the hot decomposition

134 评论(11)

相关问答