Firstly, the quantization study on surface roughness of old concrete which is the key control point of bonding quality was carried on by roughness test.
本文首先通过粗糙度试验对粘结界面质量检验的关键控制点——老混凝土表面粗糙度进行了量化研究。
The surface degree of finish is important index of production quality, discussed surface roughness of hot strip, effect and control way of cold roll process on finished product.
不锈冷轧带钢表面光洁度是重要的产品质量指标，讨论了热轧带钢的表面粗糙度和冷轧工艺对成品表面光洁度的影响及控制方法。
Based on surface water quality data, this paper objectively analyzed the pollution status of Longdong River. And the control measures were put forward in accordance with pollution characteristics.
依据龙洞河地表水质监测数据，客观分析了龙洞河水质污染现状、主要污染物。根据污染特征，提出了相应的防治措施。
应用推荐