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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Crack in neck of hollow shaft is a very serious malfunction, main cause of the crack include: foundry defect, centralized stress, quality problems of welding and heat treatment.

中空轴轴颈裂纹是水泥磨的严重故障。中空轴轴颈裂纹产生的原因主要有：铸造缺陷，应力集中，焊接和热处理质量问题等。

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Crack will not include AI.

打击将不包括人工智能。

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Regulars here include The Derailers, an upbeat country band guaranteed to crack a grin on the dourest face, and Don Walser, an icon of country yodelling (yes, yodelling).

ECONOMIST: Country music

Forward-looking Hasbro deserves kudos for not only providing an alternative to video clips it sells online, but to the DVDesque Personal Video Discs that include episodes of Spongebob Squarepants, The Fairly Oddparents, and other video crack for kids.

ENGADGET: Switched On: The Switchies

As far as character selection goes, the more character types you include, the more complex your password can be, and the harder it will be to crack.

FORBES: Creating And Using Strong Passwords