BS6853:1999 Annex D烟密度测试_BS6853附录D烟密度测试

BS6853:1999 Annex D: Code of practice for fire precautions in the design and construction of passenger carrying trains-Annex D: Methods for measuring smoke density.
BS6853:1999: 载客列车设计与构造防火通用规范－附录D: 测定烟密度的方法。

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