您要查找的是不是：
- X线加速器 x-ray accelerator
- 医用X线加速器 accelerator for x-ray therapy
- 治疗用X线加速器 accelerator for x-ray therapy
- 线 thread
- X线治疗加速器，医用X线加速器 accelerator for x-ray therapy
- 在线 in-line
- X线人类学 roentgenographic anthropology
- 透X线 Pass through X - ray
- X线两档 Two X-ray energy modes
- X线系统 X- ray system
- X线检测 X-ray detection
- X线引导 X-ray guided
- X线分型 X-ray subtype
- X线造影 X-rayradiography
- 钼靶X线 Mammography
- X线成像 X-ray imaging
- X线摄片 X-ray photography
- 高频X线 high frequency X - ray
- 医用X线 medical X-ray
- 双能X线 Bone mineral density
