operating handle的用法和樣例：
例句
- You can pull the operating stem to start the machine.
你可以拉操縱桿開啟機器。 - It is thought he activated the ejector seat after lurching forward during an aerobatic manoeuvre and accidentally pulling on the black and yellow emergency handle between his legs.
據說，在一場特技飛行中，他突然向前傾斜，意外拉動了在他兩腿中間的黑色與黃色相間的緊急操縱桿，導致他啟動了彈射座椅。
