The pressure gradient of the anti-lock braking system (ABS) was experimentally studied using an ABS hydraulic test bench for various conditions including normal brake, on-off brake, and step brake.

利用防抱制动系统（ABS）液压实验台，进行了ABS压力梯度多种工况的实验测试，包括普通制动、长加长减制动和阶梯增压、减压制动等工况研究。

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If the brakes pull the car to one side, this means that more braking pressure is being applied to one side than the other, or insufficient hydraulic pressure in one part of the brake system.

如果制动时跑偏，这意味着提供的制动力一边比另一边要大，或者可能是制动系统某处油压不足。

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