For measuring abrasion of catalyst particles, three basic attrition test apparatus are used . 为了测定催化剂颗粒的磨损，可使用三种基本磨损测试装置。
Our older mountain ranges are gradually being worn away and their mass redistributed over the earth . 古老的山脉正在逐渐磨损，其质量重新分布在地球上。
If the washing machine tubs were chipped or damaged, then the abrasive damage to the cuff edge was greatly increased . 当洗衣机桶部破损时，袖口的磨损增大。
The french coin was, before the late reformation of the english gold coin, much less worn than the english . 在英国金币改铸之前，法国铸币比英国铸币的磨损程度小得多。
It acts as a geologic rasp, scratching, gouging and generally abrading the surfaces over which the glacier rides . 它就像一把地质锉刀一样通过刮、刨等作用来磨损冰川流过的表面。
Failure to start may be due to two mechanism: the first is the result of stop/start which forms wear detritus . 启动的故障可能有两种原因：第一种是停转或启动中产生磨损碎屑的结果。
In other words, the comparator merely compares the dimension of the worn part with the standard reference part . 换句话说，比较仪不过是将磨损部分的尺寸与标准的基准部分进行比较而已。
But a watch could never repair itself -- it does not consist of living parts , only of metal , which wears away by friction . 但是手表不能自行修复它不是由活的零件、只是由金属组成的，而金属可以因为摩擦而磨损殆尽的。
Among these physical properties are appearance, wear resistance, hardness or brittleness, residual stress, porosity, thickness, and deposit uniformity . 这些物理性能有外观，抗磨损性，硬度或脆性，残余应力，孔率，厚度和沉积层的均匀度。
Gears - wear and damage to gear teeth - terminology 齿轮.齿轮齿的磨损和损害.术语
