单选题()the compression ratio, () the proportion of the heat energy of the combustion turned into useful work at the crankshaft, other things being equal.AThe high;the largeBThe higher;the largerCThe lower;the largerDThe low ;the large

单选题
()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


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