单词	back echo
释义	back echo [电] 反回波
随便看	sourced source data source data acquisition source data automation source-data automation source data automation equipment source database source data capture source data card source data collection source data entry source data information source data item source data operation source data structure source data type source data word source decay source deck source decoder source decoding source deduplication source delay time source density source density function 护过饰非报报1 报2 报3 报4 报仇雪恨报仇雪耻报冰公事报应不爽カギッコカギッテカギッ子カギツケルカギトルカギナリカギノテカギノ手カギバナカギバリ