The scratch-and-win specialist marks the keys with printed codes and covers them with a special scratch-off layer (thermochromatic or other security inks could be used).
刮奖专家以印好的编码作为标记，并在上面覆盖一层可以挂掉的特殊涂层（可以使用热变色油墨或其他安全油墨）。
Beginning in the 1960s, physicists were using tools adapted from the semiconductor industry to create new materials from scratch, building them up layer-by-layer at the atomic scale.
在20世纪60年代初，物理学家们使用半导体工业中使用的工具来从头开始创建新材料，在原子尺度上一层层地建立它们。
Fourth, secondary plastering, and then wait for the percent 60 stem degrees according to shape a good scratch, finishes the basement, and according to your requirements of outside layer approach.
第四、做二次抹灰，然后待其百分之60干度时根据造型刮好，作好基底，及根据你要求的外面层做法做。
Launch scratch test indicate under most big load function of 100n, cladding layer combine substrate well, there are no stripping and avalanche phenomenon.
声发射划痕试验表明，在最大载荷100n的作用下，熔覆层与基体结合良好，没有剥离和崩落现象。
The preparations before test shall include corrosion check, mechanical inspection, vehicle photo, coating thickness measurement, metal thickness identification, paint layer scratch and etc.
试验前的准备工作包括腐蚀检查、机械检查、车辆拍照、涂层厚度测量、金属厚度识别及油漆层划线等。
Imitation marbel plate by extrusion technology covered by decoration film or treated by hot transfer printing with UV layer. The product resistant to scratch.
挤出压延的石塑板材，板材表面覆仿大理石纹薄膜，或者热转印仿大理石纹并UV固化处理，良好的抗划伤性，耐刮擦性；
Imitation marbel plate by extrusion technology covered by decoration film or treated by hot transfer printing with UV layer. The product resistant to scratch.
挤出压延的石塑板材，板材表面覆仿大理石纹薄膜，或者热转印仿大理石纹并UV固化处理，良好的抗划伤性，耐刮擦性；
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