trigger shaft

例句：

1. 1. The engineer used a trigger shaft to disconnect the cables.
   工程师使用一个触发轴来断开电缆。
2. 2.The trigger shaft was designed to be easily adjustable for different shooting angles.
   触发轴的设计是为了容易调整以适应不同的射击角度。
3. 3.The trigger shaft is crucial for the accuracy of the gun.
   触发轴对于枪的准确性至关重要。