埋置于混凝土中的压电陶瓷片可用于混凝土结构的无损监测，而其自身的力学行为可视为一周边固定的复合薄圆板的振动。
The piezoelectric ceramic piece which placed in the concrete can be used in the monitoring of the concrete structure, and its mechanical action may see as a vibration of compound thin disc.
WRS轧机通过工作辊的轴向移动，配合液压弯辊技术，提高了板形控制，改善了边部减薄。
Through axial movement of work roll and cooperating with hydraulic bending roll technology, WRS rolling mill can increase plate shape controlling capability and can improve edge thinning of plate.
对板带轧制过程中轧辊与轧件的接触变形进行了分析，得到了轧辊弹性压扁、轧件边部减薄以及轧件弹复的分布规律。
Theelastic contact deformation between work roll and work-piece, work-piece deformation near the edge of plate and elastic recovery are discussed.
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