acetal resins

例句：

1. 1. These acetal resins are used in the production of high-quality plastics.
   这些缩醛树脂用于生产高质量的塑料。
2. 2. The acetal resin was found to have excellent resistance to chemicals and heat.
   这种缩醛树脂被发现具有极好的抗化学品和耐热性。
3. 3. In addition to its mechanical properties, acetal resin is also known for its excellent electrical insulation.
   除了其机械性能外，缩醛树脂还因其出色的电气绝缘而闻名。