This piece of handicraft has metal cladding on its surface. 这件工艺品的表面有金属镀层。
The GLC coating can reduce the plastic deformation of work piece material and has low wettability with the contacting Al-Si alloy. 本论文采用室温的摩擦磨损实验以及真空熔融测试润湿性实验分别评价力和热作用时镀层的效果，综合二者的实验结果和切削实验结果一致。
