Impeller with against pine device, Mechanical seal face material USES silicon carbide - silicon carbide, durable, safe and reliable.

叶轮具有防松装置，机械密封端面材质采用碳化硅-碳化硅，经久耐用、安全可靠。

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One problem automated systems face is that copyrighted material can be legally used under exceptions to copyright laws, such as those for news reporting.

这个自动化的系统所面临的一个问题是，面对受版权保护的材料可以在法律上的例外情况下使用版权法，如新闻报道。

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Firms that intentionally add non-edible material to food products will face having their licenses revoked and confiscation of all illicit earnings.

故意在食品中加入不能食用物质的商家将面临吊销营业执照和没收所有非法收入。

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The book says the saying began because a competitor's face was cleaned with a cloth towel or other material.

VOA: special.2010.11.21

Observations of the material coating the dark face of Iapetus indicate it has a similar composition to the surface material on Phoebe.

BBC: New ring detected around Saturn

Senators considering the president's nomination of Judge Alito to the Supreme Court face a mountain of material amassed during his 15 years as a judge on the federal court of appeals, but we assume they'll find some of the most revealing reading in his 65 dissents, separate opinions he wrote when he disagreed with the majority on the court.

NPR: Reviewing Alito's Dissents

To be sure, the material boys will face real challenges in the years ahead.

FORBES: The Real Winners Of The Global Economy: The Material Boys