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It is convenient for fighting and evacuation, and a circular fire lane should be set up. With the accelerating pace of urbanization, urban land is increasingly tight, which promotes the construction of high-rise buildings. Many high-rise buildings, due to poor consideration of fire prevention design and other reasons, have many congenital hidden dangers, and fires occur from time to time, causing heavy losses. In order to create convenient conditions for fire fighting and rescue work and ensure the safety of buildings, circular fire lanes should be set up around high-rise buildings. However, regardless of the size of the building, it is indeed difficult to require the circular fire lanes. Lanes can be set up along the two long sides of the building. In order to prevent the collapse of building components in case of fire from affecting the normal operation of the fire lane, the distance between the fire lane and the outer wall should be 5m. There should be no trees, overhead pipelines, etc. that hinder the operation of climbing fire engines between fire lanes and high-rise buildings. If the total length of the building exceeds 220m, a fire lane shall be set up to pass through the building. There is no inner courtyard in the building, there are ring fire lanes around it, and fire engines crossing the building need to be set up. Q: An L-shaped high-rise building has a total length of about 170m, a length of 120m along the street, and a length of 50m along the inner street (residential road). Do you want to set up fire lanes crossing the building? A: The relevant provisions of the "Construction Regulations" and "High Regulations" consider that there is no restriction on the length of the two wings on the premise of meeting the requirements of fire fighting and evacuation. The building only needs to set up a pedestrian passageway connecting the street and the inner courtyard at the part over 80m along the street, and there is no need to set up a fire lane. In the planning of fire lanes, in addition to the relevant provisions of the "Construction Regulations" and "High Regulations", attention should also be paid to千户转而望向杨长帆，你应考么？杨长帆摇头。巧虎和小伙伴们正在准备给妈妈的母亲节礼物。一个神秘少年突然出现在他们的面前，并把他们带到了神奇的魔法岛，在那里，生长着一种七色康乃馨，只要对着它许下心愿，再把它送给自己最重要的人，就能梦想成真！魔法岛上的大魔法师想要独占这些康乃馨，巧虎他们能成功阻止大魔法师的邪恶计划吗？大魔法师的真实身份又是什么？一场奇妙的大冒险正等待着巧虎和他的小伙伴们……A make more components when modeling, so if there is a problem, only one component will be modified, and the rest of the copied components will be automatically modified in association, mainly for multiple copied windows, doors and the like.In my opinion, some variants of SYN cache technology should be embedded into the server operating system as a curing function, and these variants can be deployed together with other solutions (address-based filtering, ACK camouflage firewall, IP security protocol, etc.) when appropriate. At present, many experts are also working on more robust TCP protocols and hope that these supplementary protocols can be deployed as soon as possible.860010-1102011300