求翻译：7 are not allowed to auto oil drip system. If there is oil leaking part of the chassis, and are having a late ignition point, the mixture diluted, as the flaming combustion of the exhaust pipe will slow, body temperature, more than ten times of gasoline vapor ignition (ignition of gasoline vapors is 28 ℃). The spilled oil ignited, fires can easily occur, resulting in the body of the scrap. Carburetor parts in the cylinder head if the drip, spark plug voltage spark leakage may also cause a fire.是什么意思？

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