Spraying at the former, the basic surface cleaning, degreasing and surface roughness, such as spraying pretreatment process are an important process.
在喷涂前，对基本表面进行清洗、脱脂和表面粗糙化等预处理是喷涂工艺中一个重要工序。
The space scan method of wavelength is put forward for the principle of the dual FFPI sensor measuring precise surface roughness, and its basic construction is discussed.
针对双光纤f—p干涉仪测量高精度表面粗糙度的原理，提出波长的空间扫描方法，并对其构成进行了分析。
The cognition to real world of human which is uncertain will certainly show fuzziness and roughness, and the rough concept is one of the basic forms of human cognition.
现实世界是不确定的，人类对其的认知势必表现为模糊性和粗糙性，粗糙概念即是人类认知的基本形式之一。
When the roughness comes down to a certain period, the road can not meet the basic functional requirements, and the appropriate reconstruction measures are needed to take to restore its functionality.
当平整度下降到一定的期限时，路面便不能满足基本功能的要求，而需采取适当的改建措施以恢复其功能。
From road bed (way trough), storey of the cushion, basic unit, to the road surface, every storey hast regulate the roughness.
从路基(路槽)、垫层、基层、到路面面层，每一层都必须控制平整度。
In order to get low surface roughness and high material remove rate, basic research on the optimization of process parameters in creep feed ultrasonic grinding engineering ceramics was conducted.
为了在加工中获得良好的表面质量和大的材料去除率，本文开展了蠕动进给超声磨削工程陶瓷参数优化的基础研究。
In order to get low surface roughness and high material remove rate, basic research on the optimization of process parameters in creep feed ultrasonic grinding engineering ceramics was conducted.
为了在加工中获得良好的表面质量和大的材料去除率，本文开展了蠕动进给超声磨削工程陶瓷参数优化的基础研究。
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