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若仅用一次走刀就要在一块宽200mm的铝板上获得良好的表面。这里提供一种很简易的飞刀,该飞刀不仅简单易作,而且绝对安全,就是
If you use only one pass on a 200mm wide aluminum plate to get a good surface. Here is a very simple flying knife, the knife is not only easy to operate, and absolutely safe, that is