失流事件电流触发上限 NNNN
为避免夹渣的产生，在焊接P91焊口时，宜采用焊接工艺评定电流上限焊接。
In order to decrease weld defect, the upper limit welding current should be adopted.
对磁悬浮隔振器与常规型隔振器并联后在不同电流下的支承刚度特性进行仿真分析，确定磁悬浮隔振器电流上限。
The current upper limit of magnetic suspention isolator can be determined after analysing the supporting stiffness characteristic of multipled magnetic suspention isolator and conventional isolator.
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