问题
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The effective stroke of a constant-stroke, individual, fuel injection pump is varied by the _____.
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A common trouble with the fuel pump plunger or fuel valve spindle is _____.
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When the opening pressure of a diesel fuel injector is greater than that specified by the
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The pump has a constant stroke and the amount of fuel delivered is regulated by rotating _
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The effective pump stroke of an individual port-and-helix fuel injection pump is determine
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The injector pump is operated by a cam which drives the _____ up and down.A.pistonB.drumC.