柱砖排砖时应使柱上下皮砖的竖缝相互错开 1/2 砖或 1/4 砖长。()
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房屋建筑的主要承重部分是基础、 墙、 柱、 梁、 楼板、 屋架和结构。()
When the sentence "They had made a mess of the house." is turned into passive voice, which
A mess had been made in the house.
B. A mess had been made by them.
C. The house had been made a mess of.
D. The house had been made a mess..
《伤寒杂病论》的作者是()
A. 张仲景
B. 扁鹊
C. 华佗
普通烧结砖的强度等级是由抗压强度等级来控制的。()
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