单项选择题
A.700mm B.900mm C.1100mm D.1300mm
A.1/4 B.1/6 C.1/10 D.1/15
A.纸筋灰 B.水刷石 C.花岗岩 D.干粘石
A.石灰砂浆 B.混合砂浆 C.粘土砂浆 D.水泥砂浆
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