单词：concrete placement
concrete placement的用法和样例：
例句
- The pouring of concrete for this building is finished.这座楼的混凝土浇筑工作已完成。
- The shearing strength at the foundation, where the concrete is placed on a smooth rock surface, may be lessened.当混凝土浇筑在平滑的岩石表面时，地基上的剪切强度可能会减少。
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