Traditional concrete placement method can not meet the construction quality requirement of sharp slope concrete roofing.
传统的混凝土浇筑施工方法已不能满足大坡比混凝土屋面施工质量要求。
The ultrasonic detection of steel-tube concrete is a method to detect the quality of concrete placement within a steel tube.
钢管混凝土超声波检测是检测钢管内混凝土灌注的质量。
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