它们都有研磨作用，会磨损牙釉质，长此以往会导致牙齿敏感和发黑，因为牙釉质磨损会暴露出里面黄褐色的牙质。
They are abrasive and can wear your enamel away and in the long-term lead to sensitivity and darkening of your teeth as the enamel wears and the inner amber-coloured dentine becomes visible.
固着磨料平面研磨加工中磨具的均匀磨损对于保证磨具和工件的加工面形精度具有极为重要的意义。
In the process of plane lapping with solid abrasive, the uniform abrasion of lapping tool is very important to ensure a good form of the workpiece and the lap-ping tool.
以大型矿用球磨机研磨体为应用对象，在实验室条件下研究了硅、铜对低铬白口铸铁腐蚀磨损耐磨性的影响。
The effect of Si and Cu on the corrosive wears resistance of low chromium white cast iron for making grinding body of large grinding ball mill used in mine was studied in the conditions of laboratory.
钻头在钻进超研磨性地层时，胎体的磨损非常严重。
The wear of the matrix of a bit is severe when drilling through super abrasion strata.
通过控制研磨参数，使得磨具磨损均匀，从而保证磨具面形精度。
This method is to control lapping parameters, make lapping tool wear well distributedly and thus assures lapping tool surface accuracy.
为了自定义的测试您的要求，选择从磨石配件种类繁多的研磨轮，以模拟真实的磨损情况。
In order to customise the test to your requirements, choose from a wide variety of abrading wheels and abraser accessories to simulate real-life wear conditions.
为了自定义的测试您的要求，选择从磨石配件种类繁多的研磨轮，以模拟真实的磨损情况。
In order to customise the test to your requirements, choose from a wide variety of abrading wheels and abraser accessories to simulate real-life wear conditions.
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