It has its solid foundation, generative mechanism and concrete scientific methods.
它有坚定的基础、生成机制和具体的科学方法。
At present, supersonic method is the most effective in harmless testing methods on concrete quality.
目前，在诸多混凝土质量的无损检测方法中，应用最广泛、最有效的是超声法检测。
The paper is on methods for control of construction quality of highway concrete pavement.
对公路混凝土路面的施工质量控制方法进行了论述。
The paper is on methods for control of construction quality of highway concrete pavement.
对公路混凝土路面的施工质量控制方法进行了论述。
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