单词	sylphon
释义	sylphon noun syl·​phon ˈsilˌfän plural sylphons : a thin-walled tubular bellows used in temperature and pressure regulators, bellows seals, and expansion joints In between, a maze of valves, venturis (short tubes with constricted throats), and sylphons (pleated metal bellows) interacted with one another, maintaining conditions inside the airplane as outside pressure varied. Nick D'Alto, Air & Space Smithsonian, September 2000 —formerly a U.S. registered trademark
随便看	rajah rajah rat Rajahmundry rajahs rajahship rajahships rajas rajaship rajaships Rajasthan rajasthan Rajasthani rajbansi rajes Rajidae rajidaes rajiformeses rajiformesses Rajkot Rajmahal creeper Rajmahal hemp rajoy Rajoy (Brey) rajoy brey rajpoot

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