유량측정 — 수심 측정용 음향측심기
用于水深测量的回波测深仪

2020-12-30

Hydrometry — Echo sounders for water depth measurements
水文测验——水深测量用回声测深仪

2007-05-16

水深测量仪器 第3部分：超声波测深仪
Instruments for water-depth measurement—Part 3: Echo sounder

2016-06-14

Measurement of water flow in open channels, Part 6.4: Measuring devices, instruments and equipment - Echo sounders for water depth measurements
明渠水流测量第6.4部分:测量装置、仪器和设备水深测量用回声测深仪

1992-04-16

Measurement of water flow in open channels, Part 6.4: Measuring devices, instruments and equipment - Echo sounders for water depth measurements (ISO 4366:2007, IDT)
明渠水流测量 第6.4部分:测量装置、仪器和设备水深测量用回声测深仪（ISO 4366-2007 IDT）

2022-06-09