The spark plug fires, igniting the compressed air-fuel mixture which produces a powerful expansion of the vapor.
火花塞点燃压缩的空气燃油混合气，燃烧使混合气迅速膨胀。
As the feed stream flows through the choke, the resulting J-T expansion and cooling causes some gas and most of the water vapor to liquefy.
当原料气流过节流件时，产生焦耳-汤姆逊膨胀及降温，使部分气体和大部分水蒸汽液化。
The vaporous cryogen creates a reinforcing vapor that slows the expansion rate of the expanding gas, localizing the expanding gas over the metal surface.
蒸气制冷剂产生减缓膨胀气体的膨胀速率的补强蒸气，从而将膨胀气体留存在金属表面上。
By analyzing the status in quo about boiling liquid expanding vapor expansion (BLEVE), several problems in deep need of solving are brought forward.
本文通过对蒸气爆炸研究现状的分析，提出了几个蒸气爆炸研究中亟需解决的问题并阐述了它们的研究意义。
By analyzing the status in quo about boiling liquid expanding vapor expansion (BLEVE), several problems in deep need of solving are brought forward.
本文通过对蒸气爆炸研究现状的分析，提出了几个蒸气爆炸研究中亟需解决的问题并阐述了它们的研究意义。
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