It does, however, provide a means of keeping the voltage change per step within per miscible limits.

然而，这确实提供了保持每步电压变化在允许范围内的方法。

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After a step change in the ambient temperature, the voltage offset may change by a relatively large amount, possibly exceeding the published specifications.

在环境温度发生一个跳变之后，电压偏置的变化可能会比较大。其变化量可能会超过公布的仪器技术指标。

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Plug-type power, user the transfer switch to change the initial step coils adjust The welding voltage. Thus the performance is reliable and maintenance id very simple.

抽头式电源，用转换开关改变初级线圈匝数来调节焊接电压，因此性能十分可靠，维修亦简便。

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