您要查找的是不是：
- booststrap circuit 自益放大电路
- 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。
- The circuit of the city walls is three miles. 环绕本市城墙的周长是三英里。
- 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。
- 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。
- 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
- The property of a circuit element that permits it to store charge. 电容使一种电路器件能储存电荷的性质
- The commanding officer made a circuit of the camp. 指挥官在营地巡视一周。
- One complete round or circuit, especially of a racetrack. 一圈跑道完整封闭的一圈，尤指跑道
