Theoretical calculation in this paper is useful for the design of the airbutton battery.
本文中提供理论计算方法对扣式空气电池的设计具有实用意义。
2
Use relays, contactor, button, air switch and travel switch etc low-voltage constitute control circuit called relay contact control circuit.
使用继电器、接触器、按钮、空气开关、行程开关等低压电器构成的控制电路称为继电接触控制电路。
3
Though it would rarely be used, NASA maintains a destruct button in the command center at Wallops Flight Facility that can destroy a rocket while it's in the air.