【机械工程】电路元件，液压传动【机械工程】电路原理、流体驱动

oil-blast circuit breaker

analog circuit

speed limiting circuit breaker

fault current circuit breaker summation current transformer

edge-triggered bistable circuit【电子】

moulded case circuit breaker

transistor circuit【电子】;transistor circuitry【电子】;transistorized circuit【电子】

monolithic integrated circuit