trigger shaft

• 击发杆

trigger shaft的用法和样例：

例句

1. He then aimed his .22-caliber semiautomatic at Misty and pulled the trigger twice but the gun didn't fire, Hassen said.
   他接著将他的点二二口径半自动手枪瞄准蜜诗蒂，扣了两次扳机，但没有击发，哈森说。