incomplete combustion

英 美
  • 不完全燃烧
    1. Soot is the product of the imperfect combustion of fuel.
      煤烟是燃料不完全燃烧的产物。
    2. Soot is caused by incomplete burning and makes smoke dark.
      油烟是起因于不完全燃烧而使烟变黑。