文章对万立制氧机氩气系统工艺及设备上进行了改进，提高了系统的稳定性及运行周期。
Since technology and equipment amelioration of argon system of Wanli oxygen-making machine has been made, the stability and operation periods of the system are improved.
文章介绍了氩气流量控制系统的原理、结构及相关的电路。
This article introduces the principle, structure and related electric circuits of the Argon flow control system.
介绍了氩气保护自动堵孔焊技术及其所用设备、换气焊接系统、焊接电源等。
The technology and equipment of automatic stop up hole welding with argon gas protection, scavenging welding technique and welding power supply are introduced.
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