Meaning of word 双流
Writing Sheet
Word
Pinyin shuāng liú
Phonetic Notation ㄕㄨㄤ ㄌㄧㄨˊ
word Meaning

◎ 双流 shuāngliú

[double-current] 当发送电报信号时,利用反向电流以使信号从传号状态变到空号状态