该机采用气动加压，压力稳定可靠，调节方便，焊接速度可以无级调节。
With pneumatic and reliable pressurizing and convenient operation, the welder enjoys stepless regulation of welding speed.
采用气动加压，焊接速度快。
This welder utilizes pneumatic pressurization with rapid welding speed.
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。
A design of pneumatic pressure system is worked out based on the characteristics of pressing system for ultrasonic welding of plastic.
应用推荐