求翻译：厂房A为二层混凝土框架结构（局部一层），基础采用天然基础。二层部分二楼楼面标高为4.100m，檐口标高为7.800m，屋盖为混凝土梁轻钢屋面，结构找坡，坡度5%；一层部分为混凝土不上人屋面，檐口标高4.100m，建筑找坡，坡度2%。是什么意思？

Plant a two-story concrete frame structure (local level), the basis of the natural basis. Two-story part of the second floor floor elevation is 4.100m, cornice elevation of 7.800m, roof concrete beam of light steel roof structure to find the slope gradient of 5%; layer part of the concrete Master ro

Plant A for layer 2 frame structure (partially) a layer, a natural basis. Part 2 level 2 floor floor elevation of 4.100 m elevation, cornices, and the house of 7.800 m to cover concrete beam light steel structure roof, find slope gradient, and 5 percent; a layer of concrete is not the roof cornices,

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Building a two-story concrete frame structure (local level), base with natural foundation. Two-story section of the second floor 4.100m floor elevation, eaves height of 7.800m, concrete roof beam of light steel roof, finding the slope, slope 5%; layer parts for concrete behavior of roof, eaves heigh

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