The research of gear noise occurrence reason and its solution methods is extremely effective to reduce the project machinery radiated noise and the noise in the drivers' cab.

研究齿轮噪声的发生原因及其解决方法。对于降低工程机械整机的噪声及司机室内的噪声都是十分有效的。

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For now, cab drivers can pick up multiple passengers, black cars can pick up passengers.

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Like most of the world's cab drivers, he holds an opinion about many subjects, including Barack Obama.

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The suit argues that the regulations violate a law that bans yellow-cab drivers from prearranging rides with passengers.

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