extraction cycle

例句：

1. 1.The extraction cycle of the oil well is critical to the production process.
   油井的提取周期对生产过程至关重要。
2. 2. During the extraction cycle, the solvent is used to dissolve the solid material.
   在提取过程中，溶剂用于溶解固体材料。
3. 3.The extraction cycle can be optimized to improve efficiency and reduce costs.
   可以通过优化提取周期来提高效率和降低成本。