pretreatment propress的用法和样例：
例句
- The effect of refining modifying pretreatment of the scutching tow on its properties was researched.
研究了精细化改性预处理工艺对亚麻二粗纤维性能的影响。 - Therefore, the pretreatment technology of methanol bearing sewage should be optimized to upgrade its pretreatment performance.
因此，应优化含醇污水预处理工艺，提高含醇污水预处理效果。
