Small semitrailer and tractor. Angle of trailer is adjustable.

小型半挂车和牵引车。可调整挂车转角。

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Large semitrailer and tractor. Angle of trailer is adjustable.

大型半挂车和牵引车。可调整挂车转角。

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Small semitrailer and tractor.

小型半挂车和牵引车。

youdao

Large semitrailer and tractor.

大型半挂车和牵引车。

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A Design about United Assistant Brake of Tractor and Semitrailer;

履带车辆普遍采用液力和机械联合制动的方式。

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A Design about United Assistant Brake of Tractor and Semitrailer;

履带车辆普遍采用液力和机械联合制动的方式。

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