polytrimethylene oxalate

例句：

1. 1. This material is used in the production of high-performance plastics.
   这种材料用于生产高性能塑料。
2. 2. Polymerization is a process that involves the formation of long chains of repeating chemical units.
   聚合是一个涉及形成重复化学单元长链的过程。
3. 3. The mechanical properties of polytrimethylene oxalate are superior to those of other polymers.
   聚三甲基己烯酸的机械性能优于其他聚合物。