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單項(xiàng)選擇題

With VIT unit the timing of fuel injection of an engine can be regulated automatically according to the （）.

A.ship draft
B.pitch
C.engine load
D.oil viscosity

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單項(xiàng)選擇題

With VIT the start of injection may be （） as the engine load is reduced within a certain range.

A.advanced
B.retarded
C.relayed
D.cut off

單項(xiàng)選擇題

With Variable Injection Timing the start of injection may be （）as the engine load is reduced.

A.advanced
B.retarded
C.kept constant
D.none of the above