“额外费用”的概念、定义、翻译、参考文献-科学参考

单词	额外费用
释义	额外费用 additional charges extra charge extra cost additional cost extraneous expenses extraordinary expenditure spill overs extra expenses additional expenses
随便看	vacuum tube powermeter vacuum tube pulser vacuum tuberculin vacuum-tube receiving set vacuum-tube rectifier vacuumtube rectifier vacuum tube rejuvenator vacuum-tube relay vacuum-tube socket connection vacuum-tube switch vacuum tube tester vacuum tube test set vacuum tube transducer vacuum-tube transmitter vacuum tube triode vacuum-tube-type highfrequency converter vacuum-tube-type high-frequency converter vacuum-tube video amplifier vacuum-tube voltage regulator vacuum tube voltage regulator vacuum tube voltammeter vacuum-tube voltmeter vacuum tube voltmeter vacuum tube wavemeter vacuum tumbler dryer

科学参考收录了1248194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。