Metallic detergent and ashless dispersant additive system provides superior control of ring belt and piston skirt deposits, even under the most severe operating conditions.

金属洗涤剂和无灰分散剂系统提供的环带和活塞裙存款优越的控制，即使在最严酷的工作条件。

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But the system is not infallible, and inernet users frequently find ways to skirt the censors.

可译为：但这套体系也非绝对可靠，互联网用户经常能找到办法绕开监管。

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The structural system and foundation of Skirt Building are outlined as well.

裙房的结构体系及基础也作了扼要的介绍。

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For example, they say criminals skirt background checks, so expanding the system would miss the main target of the legislation.

CNN: Obama still backs new gun ban; top senator less certain