spray probe

例句：

1. 1. The spray probe was usedto test the soil moisture content.
   喷雾探头被用来测试土壤湿度。
2. 2. Thejet probe was used tomap the underground water flow.
   喷射探针被用来绘制地下水流图。
3. 3. The spray probe detected a chemical leakin the factory.
   喷雾探头在工厂检测到化学泄漏。