breech screws造句

例句与造句

1. On pulling the lever to the rear the breech screw is automatically unlocked and swung into the loading position.
2. After loading, one thrust of the lever inserts the breech screw and turns it into the locked position.
3. The powerful backward force generated by 6-inch QF guns still required a strongly seated breech screw with as much thread as possible.
4. In 1870, de Reffye developed the Reffye 85mm cannon, an 85 mm ( 3.35-inch ) rifled breech-loading cannon, equipped with a breech screw, initially made of bronze.
5. To hold both block and plug tightly in place the guns used a hollow breech screw ( hence the name " screw breech " ) behind the block, which the gunner rotated to tighten and seal the breech before firing.
6. It's difficult to find breech screws in a sentence. 用breech screws造句挺难的
7. His " Armstrong screw " breech involved loading the shell and gunpowder propellant charge in a cloth bag through the hollow breech screw, lowering a heavy block into a slot behind the powder chamber and screwing the breech screw tightly against the block to lock it in place.
8. His " Armstrong screw " breech involved loading the shell and gunpowder propellant charge in a cloth bag through the hollow breech screw, lowering a heavy block into a slot behind the powder chamber and screwing the breech screw tightly against the block to lock it in place.
9. Experience with early modern replicas, made before the proper screw and thread pitch of the breechblock were rediscovered, seemed to indicate that while reloading was rapid, it seemed to be necessary to first lubricate the breech screw ( originally with a mixture of beeswax and tallow ) or else the ( replica ) rifle would foul so much that it needed cleaning after three or four shots.