diaphragm seal的用法和樣例：
例句
- Separation of the water supply from the air inlet is accomplished by means of a diaphragm seal.
供水與空氣的隔離是通過採用隔膜密封的方法實現的。 - 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.
在製造期間，閥體上的法蘭的隔膜密封表面可以進行特別的預製，以強化聚四氟乙烯隔膜的密封性能。
