“pressure fan”的概念、定义、翻译、参考文献-科学参考

单词	pressure fan
释义	pressure fan [`presh·ǝr ´fan] ^{MINING ENGINEERING} A fan that forces fresh air into a mine as distinguished from one that exhausts air from the mine.
随便看	radar reflector radar relay radar repeater radar report radar return radar scanning radarscope radarscope camera radarscope overlay radar selector switch radar set radar shadow radar signal film radar signal spectrograph radar silence radarsonde radar station radar station pointer radar storm detection radar storm-detection equation radar surveying radar target radar telescope radar theodolite radar threshold limit

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。