前言：本文通过对《表面粗糙度》新、旧国标的对比，综述了新、旧标准间的不同之处，便于迅速了解和应用新标准。
In order to understand and use national standards of "Surface Roughness", this pa-per compares the new standard with the old one, summarizes their main differences.
讨论了自激式激光器在表面粗糙度测量中的应用。
The application of self-stimulated laser in surface roughness measurement is discussed.
通过研究缸体的内径变化、陶瓷层的粗糙度和台架试验探讨将微弧氧化技术应用于铝制小型汽油机缸体的内表面处理的可行性。
The feasibility of the application of microarc oxidation technique to the treatment of inner surface of steam cylinder was studied by measuring the change of inner diameter, roughness and bench test.
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