distillation test residue

例句：

1. 1.The distillation test residue analysis is crucial for the quality control of the product.
   蒸馏测试残留物分析对于产品质量控制至关重要。
2. 2.The distillation test residue analysis was used to identify the source of contamination in the production process.
   蒸馏测试残留物分析被用来识别生产过程中的污染源。
3. 3. The distillation test residue analysis revealed that there were trace amounts of impurities inthe final product.
   蒸馏测试残留物分析显示，最终产品中存在微量杂质。