shielded x ray tube中文什么意思

《英汉医学词典》shielded x ray tube

屏蔽X线管,有防护的X线管

• shielded x-ray tube:    被遮x射线管
• x-ray tube x:    光管; 射线管; 射线球管
• autofocus x-ray tube:    自聚焦x线管