To provide a trailer security investigation system for inspecting an article mounted on a trailer, using a radiation imaging principle, under the condition where the included article is not package-opened.
This trailer security investigation system is provided with a protection wall for forming an investigation passage for passing the trailer, a radiation imaging system for investigating the security of the trailer passed through the passage, and a traction means for towing the trailer. The system is a special device suitable for investigating the trailer, provides a reliable technical means for investigating the security of a baggage, and is very suitable therefor and economical.
QI, Xiang AN
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