（）the compression ratio, （） the proportion of the heat energy of the combustion turned into useful work at the crankshaft, other things being equal.<br>A:The high；the large<br>B:The higher；the larger<br>C:The lower；the larger<br>D:The low ；the large

（）the compression ratio, （） the proportion of the heat energy of the combustion turned into useful work at the crankshaft, other things being equal.
A:The high；the large
B:The higher；the larger
C:The lower；the larger
D:The low ；the large

出自：海船船员证

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