管道工作压力为10MPa，密封面为环连接面，应选择法兰的类型是（）。
A.带颈乎焊法兰
B.承插法兰
C.整体法兰
D.衬里法兰
参考答案：C
110. He is a man of great determination. I am sure he will succeed in the end. The underlined sentence probably means _____.
A．He is a strong-minded person.
B．He is a man who likes to make a decision
C．He is a very weak person.
D．He is full of determination.
嵌顿疝早期可采用
A．紧急手术B．手法复位C．对症治疗D．暂不手术E．支持治疗
