With rapid development of electric power and electron technique, nonlinear equipments are applied in power drawing system widely, which will cause harmonic harm question inevitably.
随着电力电子技术的飞速发展，非线性装置被广泛应用于电力牵引系统，这就不可避免地引发了谐波危害问题。
In the course of laser-arc hybrid welding, the high frequency caused by drawing arc interfered the control system which make the laser and electric arc not able to realize the hybrid welding.
激光-电弧复合焊接过程中，由于引弧产生的高频干扰了激光器的控制系统，造成了激光和电弧不能实现复合焊接。
The CD-HSS box drawing experimental device included four parts of die structure, lever mechanism, hydraulic and electric control system were designed based on the CD movement principle.
基于可控拉深筋运动原理设计了可控拉深筋高强度钢板盒形件拉深实验装置，该实验装置分为模具结构、杠杆机构、液压及电气控制系统四部分。
After drawing into competitive system and establishing electric power market, power system loss analysis and calculation has been paid much attention to all through.
在引入竞争机制、建立电力市场之后，电力系统网损分析计算成为倍受关注焦点。
After drawing into competitive system and establishing electric power market, power system loss analysis and calculation has been paid much attention to all through.
在引入竞争机制、建立电力市场之后，电力系统网损分析计算成为倍受关注焦点。
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