Underground TV high observation method: the images around and below the well wall can be observed at the same time, such that the vertically obstructed image is more intuitive and correct for the decisiveness of the obstruction.
Features: There are advantages of panoramic observation of the group space, fast detection rate, high compliance, and side-view rotary observation exquisite, low distortion, high image magnification and other advantages. It combines the advantages of the two observation methods. An up-to-date underground TV observation skill.
Underground TV gathers two types of panoramic TV and PTZ observation methods, which is a huge breakthrough in underground image detection skills. Underground TV