chemical quantity transducer

例句：

1. 1.The chemical quantity transducer is used to measure the concentration of pollutants in water.
   化学量变送器用于测量水中污染物的浓度。
2. 2. The chemical quantity transducer is an essential tool for monitoring industrial processes.
   化学量变送器是监测工业过程的关键工具。
3. 3.The chemical quantity transducer was developed to improve the accuracy of measurements in complex environments.
   化学量变送器的开发旨在提高复杂环境中测量的准确性。