您要查找的是不是：
- 電動X線防護遮線器motor-driven x-ray protective shutter
- X線遮線器beam shutter; tube shutter; X-ray shutter
- 射束光閘，X線遮線器beam shutter
- 非曝光泄放電流X線遮線器dark current x-ray shutter
- 在線in-line
- 器utensil
- X線防護x-ray protection
- X線防護屏x-ray screen
- X線防護椅X-rays protecting chair
- 遮線器light chopper; shutter; shutter diaphragm
- X線人類學roentgenographic anthropology
- 遮線shade line
- X線兩檔Two X-ray energy modes
- 遮線筒radiographic cone
- X線系統X- ray system
- 被遮線[電] shieled line
- X線檢測X-ray detection
- 陰影線，遮線shade line
- X線引導X-ray guided
- 治療用遮線筒treatment cone
