采用波形控制方法对熔滴过渡周期进行控制，同时软件还对时序系统和送丝速度进行精密渐变控制。
The droplet transfer cycles were controlled by wave control method. Also gradual adjustment of the sequential and wire feed rate was controlled by software.
在水下焊接过程中，脉冲电源输出高电平时，停止送丝，电弧稳定燃烧并形成熔滴；
During the welding process, when underwater welding power outputs high level, the system stops feeding wires and wires burn upwards with forming molten droplets.
从其焊接设备的要求、 保护气体以及其熔滴过渡控制、焊接过程等几个方面，详细介绍双丝MAG焊的工艺及其特点。
This article illuminates the process and characteristic of double-wire MAG welding from requirements of welding machine, gas, metal transfer control and welding process.
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