Розмір відео: 1280 X 720853 X 480640 X 360
Показувати елементи керування програвачем
Автоматичне відтворення
Автоповтор
Super
Do you use main spud for stepping, while dredging, or auxiliary spud? The video shows auxiliary spud.
How is the dredged material especially the sand measured accurately?
Goed question !
Hydrographic surveys (& land surveying depending on the type of job).
Depth before and depth after
Flow meter
Super
Do you use main spud for stepping, while dredging, or auxiliary spud? The video shows auxiliary spud.
How is the dredged material especially the sand measured accurately?
Goed question !
Hydrographic surveys (& land surveying depending on the type of job).
Depth before and depth after
Flow meter