Failure modes: Consider the occurrence of an apparent large drop in engine oil pressure.

失效模式：发动机油压的明显大幅下降发生。

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Failure is a common occurrence: don't stop trying.

失败是常有的事，不要懈气。

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Failure is a common occurrence: don't stop trying.

失败是常有的事，不要懈气。

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