... 原生土壤形成过程 primary soil formation process 膜的形成过程 film process 胚形成过程 embryogenetic process ...
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分析了氧化膜的形成过程、动态变化及脱落原因，并提出了控制方法和措施。
The formation process, dynamic variation, deciduous causes of oxide film of work roll are analyzed, and the control methods have been put forward.
化学氧化：通过化学处理使金属表面形成氧化膜的过程。
Chemical oxidation: through the chemical processing the metal surface oxidation film formation process.
磷化：在钢铁制件表面上形成一层不溶解的磷酸盐保护膜的处理过程。
Phosphating: in steel on the surface of product form a layer of phosphate insoluble protective film processing.
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