A runaway escapement is a mature part which is widely used in a missile , rocket and medium or large calibre high explosive projectile , and its features have been studied .

• 无返回力矩钟表机构是一种广泛用于导弹、火箭弹和中大口径榴弹上的成熟部件，前人对它的特性作过许多研究工作。