砌体灰缝砂浆应密实饱满，砖墙水平灰缝的砂浆饱满度不得低于();砖柱水平灰缝和竖向灰缝饱满度不得低于90%抽检数量:每检验批抽查不应少于5处。

A.70％

B.75％

C.80％

D.85％

A.70%

B.75%

C.80%

D.90%

A.60%

B.70%

C.80%

D.90%

A．错误

B．正确

A.75%

B.80%

C.85%

D.90%

A.80

B.85

C.90

D.100

A.70% 80%

B.80% 85%

C.80% 90%

D.85% 95%

A.80%，85%

B.85%，85%

C.80%，90%

D.85%，90%

A.80、90

B.80、80

C.90、80

D.90、90

A.75%

B.80%

C.85%

D.90%

E.95%