... sounding position 测深船位 sounding ranging 声测距 sounding rod 量水尺(油舱 ...
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声测距仪 acoustic ranger ; phonotelemeter ; acoustical ranger
回声测距 [测] echo ranging ; echo-ranging detection
声测距器 phonotelemeter
回声测距仪 echo ranger ; echo ranging apparatus ; echometer
水声测距仪 hydroacoustic range finder ; echometer
回声测距声纳 echo ranging sonar
超声测距 Ultrasonic distance measuring ; Ultrasonic ranging
噪声测距声呐 noise ranging sonar
电声测距 radio acoustic ranging
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