问题
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Which of the following problems may occur when using fuel oil with a high sulphur content?
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During working, when the piston is near the _____, the air ignites the fine spray of fuel.
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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 needle valve in a fuel valve will _____ when the fuel pressure action on the needle va
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The lowest temperature at which fuel combustion becomes self-sustaining in the presence of
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During fueling operations, which of the listed precautions should be taken when topping of