| 摘要 |
Operationally-stressed components are often returned to use by means of an acid treatment. The duration during which the component remains in the acid is conventionally fixed at a standard value, such that individual stresses are not taken into account. According to the invention, layers may be removed from a component whereby a voltage is at least repeatedly applied to the component, causing a current to flow, the time course of which represents the status of the process of layer removal and which is used to decide the ending or interruption of the acid treatment
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