Размер видео: 1280 X 720853 X 480640 X 360
Показать панель управления
Автовоспроизведение
Автоповтор
How the transducer functioning?We using TR probe. Then how it travel horizontaly in the pipe?Can you explain?
How the transducer functioning?
We using TR probe. Then how it travel horizontaly in the pipe?
Can you explain?