timern.计时器;定时器;计时员
timer response计时器响应
timers library定时器库
timer managing时钟管理
timer recorder计时仪
timer shaft cam分电轴凸轮
timer interrupt时钟中断,计时中断
timer equipment定时装置
timer alignment定时器队列
Timer frequency时钟频率
timer cut-off定时器控制停车