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Beifang China Auto repair official website
Official website of Beifang Cooking
Beifang cooking
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Home page
Beifang China Auto repair official website
Official website of Beifang Cooking
Beifang cooking
Beifang computer
Medical care in the beifang
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自动变速器
任务 2：辛普森传动原理、（三挡、四挡、改进四挡）
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任务 List
任务 1：执行器与齿轮传动
任务 2：辛普森传动原理、（三挡、四挡、改进四挡）
任务 3：拉维娜传动系统
