这一标准适用于所有组件安装在汽车电器电路母/电子系统. 他们可能制造的过程如下:

circuit

/ ˈsɜːkɪt; ˋsəkɪt/ n

line, route or journey round a place 围绕一地方的线、 路线或旅程; 周线; 圈: The circuit of the city walls is three miles. 环绕本市城墙的周长是三英里. * 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. * She ran four circuits of the track. 她在跑道上跑了四圈.

(a) complete path along which an electric current flows 电路: There must be a break in the circuit. 电路中一定有断路. (b) apparatus with a sequence of conductors, valves, etc, through which an electric current flows 电器装置: [attrib 作定语] a circuit diagram, ie one showing the connections in such an apparatus 电路图.

(a) regular journey made by a judge round a particular area to hear cases in court 巡回审判（法官定期巡回某地区）: go on circuit, ie make this journey 进行巡回审判 * [attrib 作定语] a circuit judge 巡回法官. (b) area covered by such a journey 巡回审判地区.

(in sport) series of tournaments in which the same players regularly take part 联赛: the American golf circuit 美国高尔夫球联赛.

group of Methodist churches sharing the same preachers within a particular area （在某地区有同一批传教士的）卫理公会组织.

# `circuit-breaker n automatic device for interrupting an electric current 断路器（自动切断电路的装置）.

`circuit training method of training using a series of different athletic exercises 循环训练法（用一系列体育项目锻炼的方法）.

carrier

/ ˈkærɪə(r); ˋkærɪɚ/ n

person or thing that carries sth 运送某物的人或物.

person or company that carries goods or people for payment 运货人; 货运公司; 客运公司: Your carrier for this flight is British Airways. 你的这一班机是英国航空公司的飞机.

(usu metal) framework fixed to a bicycle, etc for carrying luggage or a small child （自行车等的）行李架: strap a parcel to the carrier 把包裹捆到行李架上.

person or animal that can transmit a disease to others without suffering from it 带菌者（可传染疾病而本身不受感染的人或动物）; 传染病的媒介: Mosquitoes are carriers of malaria. 蚊子是疟疾的传播媒介. Cf 参看 vector 2.

= aircraft-carrier (aircraft).

= carrierbag.

# `carrier bag (Brit) paper or plastic bag for carrying shopping （装载所购商品的）纸袋或塑料袋.

`carrier pigeon pigeon trained to carry messages tied to its leg or neck 信鸽.

故circuit carriers 是运程路线的意思.