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。

youdao

A push unit which is provided with a long hole is positioned in the groove of the rotation unit.

一设置于转动单元凹 槽中的推动单元，该推动单元上具有一长孔；

youdao

My portable phone does that when I push a button in the base unit.

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Decaying generator tubes helped push San Onofre's Unit 1 reactor into retirement in 1992, even though it was designed to run until 2004.

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