Operating weight and ground contact pressure can be adjusted by filling water or wet sand with greater adjusting scope.

通过加水或湿沙可调节压路机配重和接地比压，调节方便范围大；

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But this digital Battle of Verdun is not the only challenge for Google as Mozilla is also launching its mobile operating system: FirefoxOS. To make a long story short, FirefoxOS is the equivalent of ChromeOS for smartphones: a light-weight mobile operating system where the user interface and all applications are web-based.

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In the blog post, Wessel also pulls together apps for Google's Chrome browser and Android mobile operating system designed to help with popular resolutions like losing weight, working out more, getting your finances in order and taking up new hobbies.

CNN: Losing New Year's resolve? Google wants to help

For example, in 2009 it was reported that at least 85 shariah courts were operating in the United Kingdom - presumably more in 2011 - with the full weight of British law if approved in national law courts.

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