asphalt-free oil

例句：

1. 1. This type of oil is commonly used in the production of asphalt.
   这种油常用于生产沥青。
2. 2.The use of asphalt-free oil can reduce the environmental impact of road construction.
   使用无石蜡油可以减少道路建设对环境的影响。
3. 3. In recent years, there has been an increasing demand for asphalt-free oil due to its eco-friendly properties.
   由于其环保特性，近年来对无石蜡油的需求日益增加。