文章介绍公路隧道所采用的长大管棚超前支护的施工技术，从设计参数、作用原理、施工工序、进度情况、质量控制几个方面作了具体介绍。
The paper discusses the phenomena of the attack by ARP virus and its working principles, proposes testing and treating ways and introduces some currently popular defending methods.
文章介绍公路隧道所采用的长大管棚超前支护的施工技术，从设计参数、作用原理、施工工序、进度情况、质量控制几个方面作了具体介绍。
The paper discusses the phenomena of the attack by ARP virus and its working principles, proposes testing and treating ways and introduces some currently popular defending methods.
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