A rod used to measure the depth of water under a boat or in a ship's hold or other container.
（在船下测量水深或测量水舱及其他容器用的）测深杆
Example sentencesExamples
They use a range of instruments such as sounding rods, echo sounders and theodolites.
Shallow water bridge inspections are performed by State Inspection Teams using sounding rods and underwater cameras.
Sonar and sounding rods are relatively inexpensive and simple devices, but each has its own limitations.
If you are using a sounding rod, sound the tank every 3 or 4 minutes until it is nearly three-fourths full.
He said that he would be surprised if Mr Philips did not look into the forepeak tank, or check the cargo sounding rod which would have satisfied him that her cargo tanks were empty.
Definition of sounding rod in US English:
sounding rod
noun
A rod used to measure the depth of water under a boat or in a ship's hold or other container.
（在船下测量水深或测量水舱及其他容器用的）测深杆
Example sentencesExamples
Sonar and sounding rods are relatively inexpensive and simple devices, but each has its own limitations.
If you are using a sounding rod, sound the tank every 3 or 4 minutes until it is nearly three-fourths full.
He said that he would be surprised if Mr Philips did not look into the forepeak tank, or check the cargo sounding rod which would have satisfied him that her cargo tanks were empty.
Shallow water bridge inspections are performed by State Inspection Teams using sounding rods and underwater cameras.
They use a range of instruments such as sounding rods, echo sounders and theodolites.