silt-determination measure

例句：

1. 1. The engineer used the silt-determination measure to determine the soil's composition.
   工程师使用沉积物测定法来确定土壤的成分。
2. 2.The study focused on analyzing the chemical composition of the sediment using the silt-determination measure.
   该研究专注于使用沉积物测定法分析沉积物的化学成分。
3. 3. The team used the silt-determination measure to identify the source of the contaminated water.
   团队使用沉积物测定法来识别受污染水的源头。