electrochemical timer

• 电化学定时器

electrochemical timer的用法和样例：

例句

1. The timer must have been actuated by radio control.
   这个定时器肯定是无线电操纵开动的。
2. The timer in the TV would spring your TV on time.
   电视机内的定时器可以准时启动打开电视机。