breech blockの例文

例文

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1. The second variant, M1977, had a more practical vertical sliding wedge breech block.
2. When the breech block contacts the locking shoulder, it stops, locking the breech.
3. ;Pointer : sear in the breech block is at the other.
4. He noticed that the breech blocks of naval guns with delayed-blowback breech lock.
5. The vented gas drove a piston which in turn actuated the breech block.