high-temperature hydrogenation

例句：

1. 1.The process of high-temperature hydrogenation is crucial for the production of plastics.
   高温氢化过程对于塑料的生产至关重要。
2. 2.In high-temperature hydrogenation, the reaction occurs at elevated temperatures.
   在高温氢化过程中，反应发生在较高的温度下。
3. 3.The high-temperature hydrogenation method has been shown to improve the quality of the final product.
   高温氢化方法已被证明可以提高最终产品的质量。