No one had gone down the winding rivers of inner Africa. He whistled to himself it would be a weary experience, but he would do it.

但还没有人沿着非洲内陆那些蜿蜒的河流走过。他朝自个儿吹了声口哨这样做肯定会很疲劳， 但他一定要做。

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With the power being DC, the current of inner winding of the magneto is AC, and the rotating part is just similar to the magnetic rotor of synchronous dynamo.

无刷直流永磁电机的电源虽是直流电，但其内部绕组中的电流仍是交流电，其旋转部分犹如同步电机的磁极转子，其结构及电磁原理与同步电机相似。

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The high-pressure composite vessel usually consists of the inner metal liner and outer winding graphite fiber reinforced plastic with high strength.

该复合容器通常由金属内胆和外层缠绕的高强度纤维增强复合材料组成。

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