您要查找的是不是：
- relay cycle timer 继电器式周期定时器,继电器式循环定时器,周期定时继电器
- The anchor man in a relay team runs last. 接力队中的主力跑最后一棒。
- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- Six teams competed in yesterday's relay race. 六个队参加了昨天的接力赛。
- She want to relay the carpet in her new home. 她想重新铺设她新房子的地毯。
- The concert was broadcast by relay. 这场音乐会是实况转播的。
- It's easier to cycle with the wind behind you. 顺风骑车省力。
- She wanted to relay the carpet in her new home. 她想重新铺设她新房子的地毯。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- A new relay of horses was harnessed to the cart. 用作轮换的马都已套到了那辆马车上。
- The seasons of the year make a cycle. 一年四季构成一个循环。
- The business cycle experienced a sudden down. 商业周期经历了突然的萧条。
- This is the cycle of economic booms and slumps. 这是经济繁荣和经济萧条的周期变化。
- Cycle across America? Sounds a bit dodgy to me. 骑自行车横越美国? 听起来有些冒险。
- The pedals of a cycle are attached to a crank. 自行车的踏板与曲柄相连。
- The pedals of a cycle are attached to the crank. 自行车的踏板与曲柄相连。
- Can you show us how to use the self - timer ? 能告诉我如何使用自动装置吗?
- Do you have any job for a part timer? 你们有没没有零工做的工作?
- Her latest stunt is riding a motor cycle through a ring of flames. 她的最新特技表演是骑摩托车钻火圈。
- 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。
