Trailed multiple-viewing-angle item inspection system and method of using the same

A trailed multiple-viewing-angle item inspection system, comprising a trailer vehicle and a radiation inspection device located on the trailer vehicle, wherein,

• the trailer vehicle is configured for a long distance movement;
• the radiation inspection device comprises a body frame, an inspection passage located within the body frame, a transfer device located below the inspection passage, a ray radiation source fixed on the body frame and detectors fixed on the body frame and located opposite to the ray radiation source;
• and
• the ray radiation source includes two ray radiation sources arranged close to each other at a front and back positions or at a same position side by side in the traveling direction of an item to be inspected and two detectors provided in the traveling direction of the item to be inspected at front and back positions and separated from each other by a distance;
• or, two ray radiation sources arranged at front and back positions in the traveling direction of the item to be inspected and separated from each other by a distance and a detector;
• wherein the two ray radiation sources generate respectively X-rays beams in different oblique directions with relative to a vertical direction at different oblique angles to irradiate the item to be inspected so as to be detected by the detectors respectively, profile of each of the X-rays beams being located in a plane that cuts through the item to be inspected transversely with relative to the traveling direction and obliquely with relative to a vertical direction.