pneumatic actuator的用法和樣例：
例句
- Pneumatic valves regulate the pneumatic enforcement agencies and regulatory valves two.
氣動調節閥由氣動執行機構和調節閥兩部組成。 - Engineered with a modular approach, NIBCO's electric and pneumatic actuation systems give you flexibility to actuate new valves or retrofit existing valves.
由於採用模塊式結構，美國尼伯科電動和氣動執行機構系統可以靈活應用在新閥門或改進閥門上。
