正确答案: D

a failure of fuel pum

题目：Fuel is not supplied to the corresponding cylinders due to （）.

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学习资料的答案和解析：

[单选题]At least （） cylinders in four-stroke engine will be configured to ensure that the engine can be started with the crankshaft at whatever position.

6

[单选题]In a four-stroke engine the camshaft rotates at （）.

half the engine speed

[单选题]In each cylinder cover is a large central opening for mounting （）

the exhaust valve

[单选题]The fuel injector pump is operated by （） which drives the plunger up and down.

a cam

[单选题]For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.

it develops twice as many power strokes at the same speed