levelling solvent

例句：

1. 1. The levelling solvent is used to adjust the pH of the solution.
   平衡溶剂用于调整溶液的pH值。
2. 2.The chemical engineer used a levelling solvent to remove impurities from the oil.
   化学工程师使用一种平衡溶剂来从油中去除杂质。
3. 3. The levelling solvent was carefully added to the reaction mixture to ensure accurate measurements.
   小心地将平衡溶剂添加到反应混合物中，以确保准确的测量。