line type pulser

例句：

1. 1.The line type pulser is used to detect the presence of water in oil.
   线型脉冲器用于检测油中是否存在水。
2. 2.The line type pulser was developed to improve the accuracy of oil analysis.
   线型脉冲器的开发旨在提高油分析的准确性。
3. 3.The line type pulser was used to monitor the temperature and pressure of the pipeline.
   线型脉冲器被用来监测管道的温度和压力。