timer circuit造句

例句与造句

1. Analysis of 555 timer circuit connected to an exterior control voltage
   外接控制电压的555定时器电路分析
2. Used in tv gathering focus , oscillation frequency and timer circuits
   适用于电视聚焦，振荡，定时回路。
3. Counter timer circuit
   计数器定时器电路
4. It's difficult to find timer circuit in a sentence. 用timer circuit造句挺难的