echometer
基本解释
- n. 聽診器;廻聲測深機
英汉例句
- The echometer was used to monitor the change of the annular water level in the coal- bed methane(CBM)wells production, which could decrease pressure stably and continuously.
在煤層氣井排採過程中,通常用廻聲儀來監測環空液麪變化,通過控制液麪下降速度來實現穩定、連續降壓。
雙語例句
专业释义
- 聽診器