water quality trend analysis 水质变化趋势分析
To organize training, legal regulations, technical standards and guidance and training quality trend analysis, to provide technical support for enterprises.
举办培训班，进行法律法规、技术标准的培训指导和质量趋势分析，为企业提供技术支持。
This article carries on studies and draws the conclusion and the suggestion from the water quality present situation appraisal and the water quality trend analysis.
从水质现状评价、水质趋势分析进行研究并得出结论和建议。
Prediction of surface roughness has become an important trend of cutting quality analysis.
表面粗糙度的预报是切削加工质量分析的重要研究方向。
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