In order to facilitate the construction machinery and other types of medium and high-pressure hydraulic 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。
In this paper, a mechanics model is founded on effect of spherical dynamic explosion in multiphase medium, based on the systems of blasting pressure decay and of reflection in the interface.
利用爆炸应力波在介质中传播的衰减规律和在界面处的反、透射规律，建立起了集中装药在多相介质中爆炸的力学模型；并运用工程实例来说明这种力学模型的应用。
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