密封瓦起什么作用？
参考答案：
为了防止氢气向外泄漏，在发电机两端设有密封瓦，使发电机端盖与转子间具有良好的严密性。
下列各项中，与“三焦”功能相关的是（）
A.受盛之官
B.传导之官
C.决渎之官
D.州都之官
E.相傅之官
He was seriously hurt after that accident, but now he was recovered from it. Which of the following can take the place of the underlined word?[ ]
A. taken up
B. taken out
C. picked up
D. picked out
