wear-resistant metal

Electrochemical micromachining ( EMM) is a nontraditional machining method to remove material through metal ions, which has some advantages as higher processing accuracy, no wear of tool, no residual stress and deformation and no relation to the hardness of materials.

微细电解加工是一种以离子方式去除材料的特种加工方式，具有加工精度高、工具无损耗、无残余应力变形存在以及与零件硬度无关等显著优点。

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Wear cotton gloves when cleaning silver, because the acid in your skin can tarnish the metal.

清洁银器时要戴上棉手套，因为你皮肤里的酸性物质会使它失去光泽。

《柯林斯高阶英汉双解学习词典》

Chrome-plated steel produced five-star pin, high-strength wear-resistant nylon casters ( foot cup ), conductive metal chain assembled.

碳钢镀铬工艺生产五星脚 、 高强度 耐磨 尼龙脚轮 ( 脚杯 ) 、 金属导电链组装而成.

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Like all horses that have grown up ， I had to wear a bit and bridle. A bit is a great piece of cold hard metal ， as thick as a man's finger ，

和所有成年的马一样，我得戴上嚼口和笼头。马嚼口是一大片又冷又硬的金属，像人的手指那么厚，

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Plastic five-star pin, high-strength wear-resistant nylon casters ( foot cup ), conductive metal chain assembled.

塑料五星脚, 高强度 耐磨 尼龙脚轮 ( 脚杯 ) 、 金属导电链组装而成.

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Sick of living in constant fear that bits of roof are going to fall on their heads, office workers in a dilapidated government building in Bihar, India, were forced to wear metal motorcycle helmets at all times.

受够了一直生活在天花板碎片会砸到脑袋上的恐惧中，印度比哈尔一座破旧不堪的政府大楼里的上班族不得不一直戴着金属摩托车头盔工作。

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Resulted by the action of alternative temperature, the pipeline of thermodynamics system will generate a kind of alternative stress, the metal in the focus region of thermal stress will wear out up to crack.

热力系统管道在交变温度作用下会产生交变应力、热应力集中区域金属易造成疲劳，当疲劳到达极限值时产生破坏，形成裂纹。

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