In the design and construction of lightening protection and grounding of residential building, some specification items are often overlooked and misunderstood.
民用建筑物防雷与接地工程在设计与施工过程中一些规范条目往往被忽略或者被错误理解。
In the design and construction of lightening protection and grounding of residential building, some specification items are often overlooked and misunderstood.
民用建筑物防雷与接地工程在设计与施工过程中一些规范条目往往被忽略或者被错误理解。
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