| 摘要 |
A gantry of an X-ray computer tomography apparatus comprises a base, two main posts mounted on the base at right angles, a ring frame tiltably supported by the two main posts, a rotation ring rotatably supported by the ring frame, an X-ray tube mounted on the rotation ring, and an X-ray detector mounted on the rotation ring, opposing to the X-ray tube. The props obliquely abut on the main posts to reinforce them.
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