pH-value

例句：

1. 1. The pH-value of the soil is an important factor in determining its suitability for planting.
   土壤的pH值是决定其种植适宜性的一个重要因素。
2. 2. The pH-value of the solution affects the reaction between the chemicals.
   溶液的pH值影响化学物质之间的反应。
3. 3. The pH-value of the water can be adjusted to meet specific requirements.
   水的pH值可以调整以满足特定的要求。