diaphragm seal的用法和样例：
例句
- Separation of the water supply from the air inlet is accomplished by means of a diaphragm seal.
供水与空气的隔离是通过采用隔膜密封的方法实现的。 - At the point of manufacture, the diaphragm sealing surface of the flange on the valve body receives special preparation to enhance sealing with PTFE diaphragms.
在制造期间，阀体上的法兰的隔膜密封表面可以进行特别的预制，以强化聚四氟乙烯隔膜的密封性能。
