rubber compound

例句：

1. 1.The car's engine is made of a rubber compound that provides excellent fuel efficiency.
   这辆车的引擎由一种橡胶混合物制成，提供了极好的燃油效率。
2. 2. Rubber compounds are used in the production of tires and other rubber products.
   橡胶化合物用于生产轮胎和其他橡胶制品。
3. 3.The new product uses a unique rubber compound that improves durability and flexibility.
   新产品使用了一种特殊的橡胶化合物，提高了耐用性和柔韧性。