对该机的设备、焊枪及焊接程序、焊接电源特点、焊接参数调整及管屏焊接工艺措施等作了介绍。
The procedure parameters, the equipment characteristics and measures to be taken are introduced in the paper.
在介绍了逆变焊接电源特点、应用现状的基础上，分析了制约国内逆变焊接电源存在的问题，并提出了相应的对策。
It is described the characters, utilities and development orientation of the inverter welding power source, then analyzed its problems and put forward some methods to deal with them.
这种演示装置的特点在于，其传感器件不需要外部电源。
The special feature of the demonstrator is that the sensing elements have no need of an external power supply.
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