Hydraulic double drive, 3-stage infinitely variable speeds and good gradeability.

全液压双驱，三档无级变速，爬坡能力强。

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This paper mainly introduces the structure and working principle of double drive axle, analyzes ordinary failure and presents the solving method and using notice.

本文主要介绍双联驱动桥的结构及工作原理，分析常见故障，提出排除方法及使用注意事项。

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Universities are under double drive of "science research enhancing universities" and "serving the local economic and social development", scientific research function has been enhanced.

大学在“科研强校”和“服务地方”双重驱动下，科学研究职能得到了强化。

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Universities are under double drive of "science research enhancing universities" and "serving the local economic and social development", scientific research function has been enhanced.

大学在“科研强校”和“服务地方”双重驱动下，科学研究职能得到了强化。

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