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建议提高砂浆强度等级在砖砌体局部加强强度。
It is suggested to rein - force local bearing wall's strength by raising up the grade of cement sand grout.
youdao
-
建议提高砂浆强度等级在砖砌体局部加强强度。
It is suggested to rein - force local bearing wall's strength by raising up the grade of cement sand grout.
youdao