Complex sentence: One of the notable Chinese field guns was the "Great General Cannon", a large breech-loading cannon with a two-wheeled cart, shooting an iron ball weighing about 10 kilograms.
Split into simpler sentences: One of the notable Chinese field guns was the "Great General Cannon". This was a large breech-loading cannon with a two-wheeled cart, shooting an iron ball weighing about 10 kilograms.