增加电弧的压缩程度可以使高温等离子射流延长，形成更为均匀的高温区域，同时加大射流的速度，可以减小切口上下的宽度差。
Increase the compression degree can make arc of high temperature plasma jet extended, form more uniform high temperature area, and increase the speed of the jet, can reduce the width of the poor.
激光与电弧的复合热源在焊接过程中，由于激光的压缩与引导作用，可以在焊接速度增加时，电弧仍然较稳定。
During the laser-TIG hybrid process, the arc keeps stable when the welding speed increases because of the inducting and compression of laser on the TIG arc.
本套设备由高速电弧喷枪、电弧喷涂电源组成。另需配套设备：空气压缩机、空气滤清器、放丝盘架。
This set of equipment by the arc gun, arc spraying of power supply. Take another corollary equipment: air compressor, air cleaner, put silk plate frame.
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