At the bottom, it's very concrete.
在底端，它是比较具体的。
The concrete foundation bottom surface should be smooth solid, not into the pot bottom.
混凝土基础底面要平整夯实，基础底部不能作成锅底状。
Confirm and coordinate the bottom of the concrete structure with the CD structural drawings.
请根据施工结构图纸对混凝土结构进行核实和协调。
Confirm and coordinate the bottom of the concrete structure with the CD structural drawings.
请根据施工结构图纸对混凝土结构进行核实和协调。
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