The figure that the volume of air at BDC is divided by the volume of air at TDC is termed as（）.<br>A:ignition ratio<br>B:power ratio<br>C:compression ratio<br>D:injection ratio

The figure that the volume of air at BDC is divided by the volume of air at TDC is termed as（）.
A:ignition ratio
B:power ratio
C:compression ratio
D:injection ratio

出自：海船船员证

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