六、地下民用建筑 在规范的地下民用建筑这一节中,包括以下几部分内容: 1.地下民用建筑内部各部位装修材料的燃烧性能等级,不应低于表4中的规定。 在本规范中所说的地下民用建筑系指单层、多层、高层民用建筑的地下部分,单独建造在地下的民用建筑,以及平战结合的地下人防工程。 Underground Civil Building In the section of the underground civil architecture, the following sections are included: 1. The combustion performance grade of interior decoration materials in underground civil buildings shall not be lower than those specified in Table 4. The underground civil buildings referred to in this Code refer to the underground parts of single-storey, multi-story, high-rise civil buildings, civil buildings built on the ground alone, and underground civil air defense projects combined with peacetime operations.