| 单词 | compression ratio |
| 释义 | > as lemmascompression ratio compression ratio n. the ratio of the maximum to the minimum volume in the cylinder of an internal-combustion engine, measured before and after compression (one piston stroke). ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > piston > movement in > measurement of compression ratio1907 1907 F. Strickland Man. Petrol Motors & Motor Cars i. iii. 20 The actual compression ratio to be used in an engine is one of the most important points in its design. 1934 Jrnl. Royal Aeronaut. Soc. 38 44 About 13½:1 is more usual with the open combustion chamber, but with the ‘swirl’ type which he had descibed,..the higher compression ratio was possible. 1958 Times 1 July 6/6 It differs from the saloon engine, however, in having a compression ratio of seven to one. < as lemmas |
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