One person can operate several devices at the same time, there are 10 memory functions, the time for wire adjustment may be shortened or changed.
一人可同时操作数台，并设计有10记忆功能，可缩短更换线材调整之时间。
But the adjustment speed of wire feeding is subjected to the actual control system and the motor inertia.
而送丝速度的调节快慢除了受控于实际的控制系统外，还受电机惯性的影响。
The stability of arc voltage is realized by adjustment of wire feeding speed in constant wire feeding system of SAW.
在埋弧焊接的变速送丝系统中，其电弧电压的稳定是依靠调节送丝速度实现的。
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