bayonet gauge

例句：

1. 1. The soldier used the bayonet gauge to measure the length of his opponent's sword.
   士兵使用刺刀标尺测量对手剑的长度。
2. 2.The engineer used the bayonet gauge to ensure that the blade was properly aligned with the barrel.
   工程师使用刺刀标尺确保刀片与枪管正确对齐。
3. 3.The military expert explained that the bayonet gauge is crucial for ensuring the accuracy of a soldier's aim.
   军事专家解释说，刺刀标尺对于确保士兵瞄准的准确性至关重要。