unidirectional flow

• 单向水流,直流

unidirectional flow的用法和样例：

例句

1. An electrical system fed by unidirectional voltage.
   由直流电压供电的系统。
2. The converter units generate harmonics which flow in the AC and DC lines.
   换流器单元产生的谐波会流过交流和直流线路。