4. any material,which are cut by thermal process,must be dressed back to clean metal. 任何材料经过热切割后，必须进行表面清理直到露出材料底色为止。

3. for duplex stainless steel thermal cutting shall be limited to the plasma arc method. 对双相不锈钢进行热切割应该仅限于等离子弧切割方法.

2.shearing may only be used on plate less than 25mm thick and enough extra material should be left on the edge to permit machining or grinding. 只允许对低于25mm厚的板材进行剪切，并且在边缘要留有足够的 余量 以供机加工或磨削

2.shearing may only be used on plate less than 25mm thick and enough extra material should be left on the edge to permit machining or grinding. 只允许对低于25mm厚的板材进行剪切，并且在边缘要留有足够的材料以供机加工或磨削.

1. plates and other stock may be cut by machining ,flame cutting and shearing . 板材和其他原料可以通过机加工，火焰切割，剪切机切割进行下料. stock:在这里是原料的意思，没有库存的含义

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