Later, an employee was selected to extinguish a controlled fire in the parking lot. In her nervousness, she forgot to pull the pin.

随后，一位员工被挑选在一个停车场扑灭一起控制下的火灾。由于紧张，她忘记拉弦。

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There is an internal pull-up on this pin.

有一个内部上拉该引脚。

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The ejection mechanism used pin ejector to pull the plastic parts out with move slanting slide simultaneously leaving circular arc concave position.

脱模机构采用推杆推出塑件的同时带动斜滑块脱出圆弧形凹位，使脱模机构简单实用。

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From there, all Nolen had to do was pull the pin and the six-year-old instantly responded, lengthening away from the rest of the field with her to claim her eight consecutive Group 1 win.

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Mausteller says a strong pull is required to yank out the pin that would activate the oxygen device.

CNN: Expert: Oxygen generators should be safe as cargo