Chemical passivation: will contain antioxidant parts in solution in processing, make the surface to form a thin film of the state of the process. Blunt.
化学钝化：将制件放在含有氧化剂的溶液中处理，使表面形成一层很薄的钝态保护膜的过程。
Introducing the initial damage parameters of coal surface obtained by digital image processing in model, got the failure process corresponding stress state under the crack initiation and expansion.
将数字图像处理煤体表面得到的初始损伤参数引入所建立的模型中，得到了相应受力状态下的裂纹起裂、扩展破坏过程。
The supporting mode and forced state are the main factors affecting the mirror surface processing accuracy.
镜子在加工中的支撑方式和受力状态是影响镜面加工精度的主要因素之一。
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