
Medium-format and large-format autoclaved aerated concrete masonry blocks laid in thin-bed mortar
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Medium-format and large-format autoclaved aerated concrete masonry blocks laid in thin-bed mortar
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频