單項(xiàng)選擇題

汽車選用動力型換檔規(guī)律時,其()

A.動力性好、經(jīng)濟(jì)性好
B.動力性差、經(jīng)濟(jì)性差
C.動力性差、經(jīng)濟(jì)性好
D.動力性好、經(jīng)濟(jì)性差

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