This paper discusses a kind of real-time monitoring technology for mine water damage control and guarantees system.

论述了矿井水害防治保障体系中的一种实时监测技术。

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Therefore, the porosity ratio is controlled in the smaller level, which is favorable to control the water damage of the urban road asphalt pavement in China.

因此，将空隙率控制在较小水平，有利于控制我国城市道路沥青路面的水损坏。

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Description and analysis on the Phenomenon, damage and Reason of the water Hammer for the Liquid Chemical Terminal, Submit the control and elimination measures.

对水锤现象的危害、原因进行了描述和分析。根据液体化工库产生水锤的特点，提出了控制和消除水锤的措施。

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