Coarse aggregate size distribution is important for the research on concrete strength analysis. Usually it can not be obtained without cutting a part of concrete down.
粗骨料粒径分布对混凝土强度分析有重要影响，但如果不用切割方法，混凝土内粗骨料三维粒径分布测量就无法实现。
Coarse aggregate size distribution is important for the research on concrete strength analysis. Usually it can not be obtained without cutting a part of concrete down.
粗骨料粒径分布对混凝土强度分析有重要影响，但如果不用切割方法，混凝土内粗骨料三维粒径分布测量就无法实现。
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