
Methods Of Test For Masonry Units - Part 3: Determination Of Net Volume Of Clay And Calcium Silicate Masonry Units By Weighing
出版:British Standards Institution

專家解讀視頻
Methods Of Test For Masonry Units - Part 3: Determination Of Net Volume Of Clay And Calcium Silicate Masonry Units By Weighing
出版:British Standards Institution
專家解讀視頻