您要查找的是不是：
- 正电压X线机orthovoltage X-ray set
- X线机管电压X-ray tube voltage
- 正在in the process of (doing something or happening)
- 正Chinese 1st month of year
- 在线in-line
- 从单一的正电压电源生成一个负电压Creates a negative voltage from single positive supply
- X线机算机X ray computed
- X线机维修X-ray machine maintenance
- X线机球管X-ray machine tube
- X线机roentgen machine; X-ray apparatus; X-ray equipment; X-ray generator; X-ray machine
- 软X线机marginal x-ray apparatus
- 胃肠X线机gastrointestinal X-ray machine
- 通用X线机regular x-ray unit
- 诊断X线机diagnostic X-ray unit
- 限界X线机marginal x-ray apparatus
- 牙科X线机dental x-ray unit
- 牙医X线机dental X-ray unit
- 遥控X线机remote-controlled x-ray unit; tele-radiographic unit; teleoroentgenograph; teleroentgenograph
- 远距x线机tele-radiographic unit
- X线机附件X-ray accessory
