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动车组以其快速、灵活、舒适、安全、低价的优势 ,在铁路市场上占有了一席之地。为了减少动车前端的空气阻力 ,顺势导流 ,节约牵引功率 ,特将动车的头部做成流线型。同时 ,为了开拓司机的可见视野 ,前窗玻璃面积也尽可能做大 ,约 3.3m2 ,而且近似双曲线形状。这种形状的钢结构?
EMU with its fast, flexible, comfortable, safe, low-cost advantage, in the railway market has a place. In order to reduce the front of the motor car air resistance, homeopathic diversion, saving traction power, especially motorized head made streamlined. At the same time, in order to open up the driver’s visible horizons, the front glass area is also bigger, about 3.3m2, and approximate the hyperbolic shape. This shape of the steel structure?