long chain diacid

例句：

1. 1. The long chain diacids in the oil are responsible for its high viscosity.
   油中的长链二酸是其高黏度的原因。
2. 2.Long chain diacids are important intermediates in the synthesis of many plastics.
   长链二酸是合成许多塑料的重要中间体。
3. 3. The long chain diacids in the oil have a significant impact on the properties of the final product.
   油中的长链二酸对最终产品的性质有显著影响。