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The term “proper metering”, as applied to a diesel fuel injection system, can be best defined as （）.
A:delivering the same quantity of fuel to each cylinder for each power stroke according to engine load
B:maintaining the metering adjustment for a reasonable period under all load conditions
C:timing fuel injection to obtain maximum power and good fuel economy
D:distributing the fuel to all parts of the combustion chamber for proper combustion

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出自：海船船员证

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