The air helps to heat the exhaust gases and burn off toxic gases as they escape from the engine cylinder as the exhaust valve opens.
英
美
- 当排气阀打开,废气毒气从发动机气缸里逸出时,这种气体有助于加热废气,烧掉毒气。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries