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介绍了用一台ＣＯ２半自动焊机配合两台送丝机使用的方法。两台送丝机之间应保互锁关系，将送丝机电控部分安装于送丝机本身，并以所谓“独立式”送丝为佳。使用本文介绍的方法，可显著提高焊接作业的效率，充分发挥设备的潜力，获得较高的经济效益。
Introduced with a CO2 semi-automatic welding machine with two wire feeder used. Two wire feeder should be protected between the interlocking, wire feeder will be installed in the control part of wire feeder itself, and the so-called “independent” wire is better. Using the method described in this article can significantly improve the efficiency of welding operations, give full play to the potential of equipment, access to higher economic benefits.