| 摘要 |
On operating a fuel metering unit with a fuel feed nozzle through a number of operational stages, the current condition of the metering unit is detected by a detector, and a guide which is provided on or in the vicinity of the metering unit is actuated by a signal from a control system specifying a predetermined form of guidance as to the action to be taken in the next step of operation of the metering unit according to a signal from the detector, thereby guiding the operator step by step with the progress of a fuel filling operation by the metering unit.
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