The snowmobiles were the most difficult - the wind blew snow into every possible nook and cranny, including around the track and under the engine cover.
挖掘雪地摩托的工作最为艰巨枣风吹得雪填满了所有的缝隙，包括履带周围和发动机盖下。
At the early days of the automobile electronization, researches on the assembly technology are carried out for ensuring the reliability of the electronic equipments under the engine cover.
在汽车电子化的初期，为确保发动机罩下电子设备的可靠性而对组装技术进行研究。
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