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Summary: as the main raw materials, with an appropriate amount of aerating agent, regulator, bubble stabilizer added, and proce[Read the full text]
Summary: appearance quality, volumetric density, and compressive strength: excellent product (A), qualified product (C). The f[Read the full text]
Summary: There are seven strength levels: A, A, A, A, A, A, and A Blocks are classified according to their compressive streng[Read the full text]