chamber throat造句

• This bullet diameter is dictated more by the large diameter of chamber throats than by groove diameter of the barrel.
• As a result, engine combustion became oxidizer-rich, with resulting high combustion temperatures damaging the combustion chamber throat and nozzle.
• Colt, however, retained the single-diameter charge hole, so the bullet was grossly undersize as it traveled through the chamber throat.
• The chamber was bell-shaped with a 27.5 : 1 expansion area ratio for efficient operation at altitude, and was manifold, located midway between the thrust chamber throat and the exit, at a pressure of more than.