nitro powder造句

例句与造句

1. Calculated kinetic energy, by shot, before brake was about 11, 850 J . The high energy was due to the relatively long barrel, and nitro powder giving a muzzle velocity of 1, 275 m / s.
2. These later variants were more reliable in battle, although it was not until smokeless nitro powders and copper-coated bullets were tried out in these rifles in the 1920s that accuracy and 100 % reliability of cartridge case extraction was finally achieved by Birmingham ammunition makers ( Kynoch ).
3. In its first year of operation, the San Francisco Stock and Bond Exchange traded $ 9.5 million in stocks, including Hawaiian Commercial and Sugar Co .; Safety Nitro Powder, which made dynamite for gold mining; and public utilities such as San Francisco Gas and Electric.
4. It's difficult to find nitro powder in a sentence. 用nitro powder造句挺难的