Using quality materials, three-speed switch, any adjustment of air flow, flexible operation.
采用优质材料制造，三速开关，任意调节空气流量，操作灵活。
2
The following morning, we left Wyoming with my three-speed bike strapped to the roof of the car and our suitcases and my mother's easel piled in the trunk.
第二天早上，我的三速档的自行车捆在车顶上，行李箱和我母亲的画架则塞在汽车尾箱里，我们离开了怀俄明。
3
Beetles of that era came in two body styles — hard-top and cabriolet — and with one powertrain option: air-cooled, rear-engine, three-speed manual transmission.