您要查找的是不是：
- There are two breakers in this circuit. 这个电路里面使用了两个断路器。
- A replaceable printed circuit board. 一种可替换的印制电路板。
- untuned circuit 未调谐电路
- The circuit of the city walls is three miles. 环绕本市城墙的周长是三英里。
- The rumours and slanders untuned his mind. 流言蜚语使他心烦意乱。
- There must be a break in the circuit. 电路中一定有断路。
- A short circuit will blow the fuse. 短路会烧断保险丝的。
- A short circuit put the machine out of action. 短路使机器停转。
- The switches close the contacts and complete the circuit. 这些开关可使接触器接通电流形成回路。
- Don't connect up the two wires, or there will be a short circuit. 不要把这两条电线接在一起，否则会短路的。
- The rocket did one circuit of the earth and returned to base. 火箭绕地球运行一周后返回基地。
- The earth takes a year to make a circuit of (ie go round) the sun. 地球绕太阳一周需要一年时间。
- My untuned strings beg for music in their anguished cry of shame. 我失调的琴弦在它们羞愧的痛苦呻吟中乞求音乐。
- Pertaining to a line or circuit interconnecting several stations. 用于修饰或说明把若干个站互连起来的通信线路或电路。
- It takes a year for the earth to make a circuit of the sun. 地球绕太阳一周要一年时间。
- A circuit that needs to use an echo trap if the circuit is used alone. 一种电路，如果单独使用它，则需要使用回波抑制设备。
- Untuned coupling system may be further subdivided into three major classes. 非调谐耦合系统可进一步细分成三大类。
- A pulse or circuit that initiates the action of another component. 触发器，触发电器引发其他部件运动的脉冲或电路
- The number of inputs available to a given logic circuit. 扇入，输入可在逻辑电路得到的输入端数目
- An electrical relay used to control the flow of power in a circuit. 开关一种用来控制电路中电流量的电流器件
