A new technique for improving the performance of the tumble inlet ports of multi-valve SI engine was proposed.

旨在探究一种能够提高多气门汽油机滚流进气道进气性能的新技术。

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A new technique for improving the performance of the tumble inlet ports of multi-valve SI engine was proposed.

旨在探究一种能够提高多气门汽油机滚流进气道进气性能的新技术。

youdao