“延时欠电压继电器”概念、定义、翻译-科学时代

单词	延时欠电压继电器
释义	动力与电气工程词汇手册延时欠电压继电器 time-delay undervoltage relay
随便看	out-of-print（OP） out of ranks out of register out-of-school assignment out-of-season culture out of service out-of-service time out of square out of step out of step out-of-step blocking out-of-step protection out-of-step relay out-of-step tripping out of stock out of stock out of stock out of stock out-of-stock cost out of stock (o.s.) out-of-sync out of synchronism out of the money out of the money out-of-the-money option

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。