nominal fault current是什么意思?原句是：Exterior lights must be operated using a separate fuse and a fault current breaker(FI-switch,nominal fault current

nominal fault current是什么意思?原句是：Exterior lights must be operated using a separate fuse and a fault current breaker(FI-switch,nominal fault current nominal Off-nominal nominal discount nominal prediction是什么意思啊? nominal有哪些意思? demension nominal是什么意思 of Nominal Coil Voltage in nominal US$ terms. nominal surface area nominal consideration是什么意思 nominal definition是什么意思 fault是什么意思 erratic fault find fault nominal value or facevalue是什么意思? significant figures of nominal resistance nominal relative clause是什么从句?