liquid expanded film

例句：

1. 1. The liquid expanded film is used to prevent the formation of air bubbles in the casting process.
   液态膨胀薄膜用于防止铸造过程中形成气泡。
2. 2.The expansion film helps to reduce friction between the moving parts and the stationary parts.
   膨胀膜有助于减少移动部件与固定部件之间的摩擦。
3. 3.The liquid expanded film is commonly used in automotive applications to improve fuel efficiency and reduce emissions.
   液态膨胀薄膜常用于汽车应用中，以提高燃油效率并减少排放。