您要查找的是不是：
- X线单位X-ray unit; x-unit; XU
- 微量X线单位microroentgen
- 微伦琴，微量X线单位microroentgen
- 线thread
- 在线in-line
- 熔线单位[电] fuse unit
- 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
