In order to facilitate the construction machinery and other types of medium and high-pressurehydraulic machinery seal seals systems design and selection.
从而，方便了工程机械和其他中、高压液压机械产品密封系统用密封件的设计和选用。
2
The deterioration process of hydraulic oil in a high-pressurehydraulic system of cold rolling mill is studied through oil diagnosis technology, and the reason is also analyzed.
One of the basic parts in hydraulic industry is high-pressurehydraulic hose fitting assembly. Its quality directly affects the reliability of hydraulic system and its host machine.