The most direct consequence of filter body blocking is that the DPF pressure drop increases, and the vehicle dynamic property is affected;

过滤体堵塞，最直接的反应就是DPF压降增加进而影响汽车动力性；

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DPF failure symptoms mainly include filter body blocking due to scorification, and filtering function failure due to burnout or hardening crack, as shown in Figure 7.

DPF失效形式主要包括烧融而堵塞过滤体、烧漏、烧裂而导致过滤功能失效如图7所示。

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The air filter comprises attachment means (31 ) which is adapted to attach fibres in at least a peripheral portion of the filter body against a wall surface of the channel-shaped element (28).

本空气过滤器包括附着装置（31），该附着装置适于将处于过 滤器本体的至少外围部中的纤维附着到通道形件（28）的壁表面上。

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