secondary vibration of concrete 混凝土二次振捣
This article describes the method of secondary vibration of concrete construction, and analyzes the mechanism of secondary vibration.
本文介绍混凝土二次振捣的施工方法，并对二次振捣的机理进行了分析。
Through finite element analysis and experimental study, this dissertation makes systematical research on vehicle-bridge coupling vibration of concrete box-girder with corrugated steel webs.
本文通过有限元分析和试验研究，对波纹钢腹板混凝土箱梁的车桥耦合进行了较为系统的研究。
It was demonstrated through concrete examples that vibration measurement of bearings played a decisive role in predictive maintenance.
通过具体事例证实了轴承测振在预知性维修中起到不可忽视的作用。
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