例句與造句

1. The smooth barrel and inaccurate round ball were also being replaced by rifled barrels and the newly invented Mini?ball.
2. Since mortars fire bombs that are dropped down the barrel and must not be a tight fit, a smooth barrel is essential.
3. Only six-barrel pepperbox pistols were produced during the Grafton and Norwich periods ( 1837 1847 ), and all had smooth barrel external contours until the later Worchester and Allen and Wheelock period, when fluted barrels became the norm.
4. The HDP would have a smooth barrel over long, along which a finned shell ( known as the " Sprenggranate 4481 " ) would be accelerated by numerous small low-pressure detonations from charges in branches off the barrel, each fired electrically in sequence.
5. The first model of the . 38 Single Action can be identified by its smooth barrel ( lacking fluting ), and the long extractor shroud similar to the Smith & Wesson Model 3 Russian pistol, which lent it the nickname " Baby Russian ".
6. It's difficult to find smooth barrel in a sentence. 用smooth barrel造句挺難的
7. Because a bullet coming out of a smooth barrel tends to yaw or swerve, the barrels of guns are rifled _ inscribed with what are known as " lands and grooves " that help stabilize the bullet on its corkscrew-like trajectory out of the barrel.