The proposal of increasingcompression ratio without essential increase in temp. and pressure makes it possible to raise the efficiency of internal combustion engine.
提出了在几乎不增大温度和压强的前提下，增大压缩比，使提高内燃机效率成为可能。
The proposal of increasingcompression ratio without essential increase in temp. and pressure makes it possible to raise the efficiency of internal combustion engine.
提出了在几乎不增大温度和压强的前提下，增大压缩比，使提高内燃机效率成为可能。
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