This article introduces the pollution effect factors of WJD-0.75 power shovel vehicle, and describes the pollution control and precaution measures.

本文详细介绍了污染对WJD - 0 . 75电动铲运机液压系统的影响，并对铲运机污染的预防与控制措施进行了阐述。

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The paper introduced WJD-0.4 miniature electric scraper about its design and manufacturing process, especially narrated properties parameters, structure characteristic and improvement to design.

介绍了WJD-0.4微型电动铲运机的设计与制造工艺，主要介绍了该铲运机的性能参数、结构特点及设计改进措施。

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