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1. The starting tractive effort of the engine is crucial for efficient operation.
发动机的起始牵引力对于高效运行至关重要。
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2. The team's starting tractive effort was impressive, but they still needed to improve their technique.
团队的起始牵引力令人印象深刻,但他们仍需改进技术。
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3. The new design uses a more powerful motor to provide a better starting tractive effort.
新设计使用了更强大的电动机,以提供更好的启动牵引力。