说明：系统驱动程序备份工具，VB制作，非常好用，适合学习交流。
System driver backup tool, VB production, is very nice, suitable for learning exchange.
采用交流变频电机驱动，软启动、软停止，运转较平稳。
Equipped with AC motor and frequency converter. Soft start, soft stop, and stable speed.
采用交流变频电机驱动，软启动、软停止，运转较平稳。
Equipped with AC motor and frequency converter. Soft start, soft stop, and stable speed.
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