“pumped tube”的概念、定义、翻译、参考文献-科学参考

单词	pumped tube
释义	pumped tube [`pǝmpt ´tüb] ^ELECTRONICS An electron tube that is continuously connected to evacuating equipment during operation; large pool-cathode tubes are often operated in this manner.
随便看	air-supply mask air surveillance air surveillance radar air survey air-suspension encapsulation air-suspension system air sweetening air switch air system air taxi air temperature air-temperature correction air terminal air thermometer airtight air-to-air missile air-to-air resistance air-to-ground missile air-to-space missile air-to-surface missile air-to-underwater missile air-track drill air traffic air-traffic area air-traffic control

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。