coating color spot 涂料色 ; 涂料色斑
The corrosion spot emergence marks the beginning of the part failure of the coating, and the corrosion spot increase and growth present the failure area enlargement.
蚀点的出现标志着涂层局部失效的开始。蚀点增加并长大，则对应着涂层失效面积的扩展。
The surface topography and composition of normal coating and spot were investigated by scanning electron microscope and energy dispersion spectrum.
采用扫描电镜结合能谱的测试方法，对热处理前后含铬绝缘涂层中正常涂层和斑点的表面形貌及成分进行了分析。
Experiments demonstrate that leaf spring crack results from rust spot as fatigue crack initiation, and in order to improve spring life it must be to improve coating quality.
通过试验证明了锈点是导致钢板弹簧断裂的新的疲劳源，为提高弹簧的使用寿命必须提高其涂层质量。
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