A design of pneumatic pressure system is worked out based on the characteristics of pressing system for ultrasonic welding of plastic.
从超声波塑料焊接工艺出发，分析研究了气动加压系统应具备的待性。进而设计出一套气动加压系统。
Ultrasonic defect detection inspection shall be carried out for welding seams and defects shall be removed. the excess weld metal of welding seam must be eradicated and abraded after welding.
焊缝须进行超声波探伤检查并清除缺陷，焊后对焊缝余高进行铲除并磨平。
The mechanism of ultrasonic seam welding of copper plates and tubes for collecting solar energy was investigated.
研究了太阳能集热铜片和铜管的超声波缝焊机理。
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