Heading 44.17 does not apply to tools in which the blade, working edge, working surface or other working part is formed by any of the materials specified in Note 1 to Chapter 82.
品目44.17不包括装有第八十二章注释一所述材料制成的刀片、工作刃、工作面或其他工作部件的工具。
A study is made on the working Angle in scraping process, practical Calculations are taken up to the Angle of working edge, rake Angle and back Angle. Some patterns of such change are found out.
本文对刮削过程中工作角度问题进行了探讨，并对工作刃倾角、工作前角和工作后角进行了具体计算，得到了一些变化规律。
A study is made on the working Angle in scraping process, practical Calculations are taken up to the Angle of working edge, rake Angle and back Angle. Some patterns of such change are found out.
本文对刮削过程中工作角度问题进行了探讨，并对工作刃倾角、工作前角和工作后角进行了具体计算，得到了一些变化规律。
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