“开关”概念、定义、翻译-科学时代

单词	开关
释义	动力与电气工程词汇手册开关 switch
随便看	hardpan hardpan hardpan hardpan hard paper hard paraffin hard partition hard pellet diet hard pen painting hard permalloy hard picture hard pine hard pitch hard plate hard plating hard plough hard pottery hard premium rate hard process hard proton hard pruned hard psychology hard radiation hard radiation hard radiation

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。