echometer
... acoustic signature log n.声波波列测井 acoustic sounder n.回声仪 acoustic spectrometry n.声波频谱测定法 ...
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... sounder 测深仪 sounding device 回声仪 sounding of induced polarization 激发极化测深 ...
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反向回声仪 PIES
回声验潮仪 acoustic tide gauge
回声探深仪 echo-sounder
回声探测仪 echo sounder
回声测距仪 echo ranger ; echo ranging apparatus ; echometer
数码回声测深仪 digital echo sounder
超声波回声探测仪 supersonic echo sounder
回声测高仪 echo altimeter
自记回声测深仪 recording echo sounder
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通过浅水域时，要常用回声仪测深。
Use echo sounder frequently when passing shallow water.
在煤层气井排采过程中，通常用回声仪来监测环空液面变化，通过控制液面下降速度来实现稳定、连续降压。
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.
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