natural abrasive 中文意思是什麼
natural abrasive
解釋
天然磨料-
Especially on high - class sofa leather, the coating of the finishing process shall not be too thick, and it must cover up the natural defects shown at the surface and to evenly distribute the surface color, regulate the touch and glow of the leather surface, above all, it must have the best cohesion, bend - resist characters, also, it must have resistance for abrasive light, aging and color - migration, etc.
尤其高級沙發皮，塗飾的薄膜不可太厚，且要遮蓋皮面一些天然的瑕疵和均勻表面的色澤，調整皮面的手感和光澤，更須要有很好的接著力、耐曲折性，又要有極佳耐刮摩性和耐光度，且能耐老化性、不吐色等之物性。 -
In order to prolong the natural life of fracturing pump valve, this article do much basic research work on fracturing pump value. firstly, kinetic characteristics of fracturing pump valve are stated particularly and analysed. through stimulated experiment based on practical working conditions, the wearing disciplinarian and forms of impact particle wear about fracturing pump valve are researched by comparing it with pure impact wear and abrasive wear. furthermore, the wear mechanism of impact particle wear and particle erosion are analysed. in the end, by using the fenite element analyzing tool ansys, the distributing law of stress and strain of fracturing pump valve at the state of closing and during the process of impact are analysed carefully
詳細闡述和分析了它的運動特性；根據其實際工況，通過模擬試驗，研究了壓裂泵閥沖擊磨料磨損的磨損規律和磨損形式，並且將其與純沖擊磨損、滑動磨料磨損進行了對比；分析了壓裂泵閥的沖擊磨料磨損、沖蝕磨損等磨損機理；藉助ansys有限元分析工具，對泵閥關閉狀態下和沖擊過程中的應力應變分佈規律進行了詳細分析。
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