深受女性喜爱的“平头”哈利 1948年WL(图9) 前面介绍了9E,它的吸气方式是OHV,排气变成了SV,这样的机构是法国的杜·狄温伯爵设计的,他是一位技师,到了20世纪20年代,这样的发动机几乎都被称为杜·狄温式发动机。这以后OHV型是赛车,SV型是市场销售的普通车,以此来区别它们的用途。哈利经过了1919年的W、1925年的350辆单缸车,1929年D型V型双缸750ml以上的车都采用 Popular by women “Flathead ” Harry 1948 WL (Figure 9) In front of the introduction of the 9E, it’s inhalation is OHV, exhaust becomes SV, such a body is France Du Diving Design, he is a technician, by the 1920s, such engines are almost all known as Du Diving engine. After this OHV type is the car, SV type is the ordinary car on the market, in order to distinguish their purpose. Harry passed the 1919 W, 350 single-cylinder cars in 1925, 1929 D-type V-cylinder 750ml or more cars are used