1) analysis on the material for its inferior
材质劣化分析
2) deterioration analysis
劣化分析
1.
The parameter of equipments deterioration analysis based on data fusion and statistics;
基于数据融合与统计的设备参数劣化分析
4) material analysis
材质分析
1.
In order to solve the problem of packer rubber skeleton structure falling during drill-stem testing in open holes,the finite element method was used to analyze stress and deformation of the packer rubber skeleton structure based on the material analysis of the compression packer rubber during drill-stem testing in open holes.
针对裸眼中途测试封隔器胶筒骨架落井现象,在对压缩式裸眼测试封隔器胶筒骨架材质分析的基础上,运用有限元方法对胶筒骨架应力和变形进行了分析,并以胶筒骨架强度安全为前提提出了裸眼中测允许测试压差的计算方法。
5) steel materials of poor quality
劣质钢材
1.
Effective methods to identifying and treat the steel materials of poor quality on construction site are introduced in the paper.
介绍实践中行之有效的若干在施工现场识别和查处劣质钢材的方法。
补充资料:驳驳劣劣
1.莽戆。
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