Definition of vapour lock in English:

vapour lock

noun

单词	vapour lock
释义	Definition of vapour lock in English: vapour lock noun An interruption in the flow of a liquid through a fuel line or other pipe as a result of vaporization of the liquid. Example sentencesExamples It will be difficult to pump a gasoline with a high Vapour Pressure without vapour locks resulting at high altitudes or at high temperatures. But the Weber family cited the model's record of 294 fuel vapour locks and 66 engine failures, including nine in the air, and claimed a defective fuel pump was to blame for the plane's nearly flat fall from an altitude of about 800 feet. In-tank pumps run cooler and reduce the potential for vapor lock. The Helio's engines proved temperamental, frequently developing vapor locks on starting. For example, one summer night, 24 years ago, my brand new car stalled out with vapor lock.
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