A.車(chē)輪數(shù)以輪轂數(shù)為計(jì)量依據(jù)，n代表汽車(chē)的車(chē)輪總數(shù)，m代表驅(qū)動(dòng)輪數(shù)
B.車(chē)輪數(shù)以輪轂數(shù)為計(jì)量依據(jù)，n代表驅(qū)動(dòng)輪數(shù)，m代表汽車(chē)的車(chē)輪總數(shù)
C.車(chē)輪數(shù)以輪輞數(shù)為計(jì)量依據(jù)，n代表汽車(chē)的車(chē)輪總數(shù)，m代表驅(qū)動(dòng)輪數(shù)
D.車(chē)輪數(shù)以輪輞數(shù)為計(jì)量依據(jù)，n代表m代表驅(qū)動(dòng)輪數(shù)，汽車(chē)的車(chē)輪總數(shù)