car wheel-hub cast 汽车轮毂铸件
The test results may be treated as the theoretical rule about material choosing for back wheel hub axle of home car.
试验结果为国产轿车后轮毂轴的材料选用提供理论依据。
The car itself is a single seater with an electric motor in each wheel hub and a fuel cell unit behind the driver as a power source.
汽车本身是一个在每个轮毂电动马达和后面作为动力源驱动的燃料电池单座赛车。
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