It explains in detail how concrete changes into clean water concrete and mirror surface concrete in the construction process, and solves the general quality problem of concrete.
文中详细介绍了混凝土在施工过程中如何成为清水混凝土和镜面混凝土，解决了混凝土的质量通病。
The surface is smooth and the detail is clean and well-defined.
模子表面平滑，细节清晰，轮廓分明。
The surface is smooth and the detail is clean and well-defined.
模子表面平滑，细节清晰，轮廓分明。
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