As a means for manual intervention, at least one Emergency push button shall be provided each in the nacelle and at the control and regulating unit.
作为手动干涉的一种方式，每个机舱及控制和调节单元应至少提供一个紧急按钮。
As a means for manual intervention, at least one Emergency push button shall be provided each in the nacelle and at the control and regulating unit.
作为手动干涉的一种方式，每个机舱及控制和调节单元应至少提供一个紧急按钮。
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