This tube is sometimes referred to as a DDT (Deflagration to Detonation Transition) tube and its job is to force the trigger charge to burn at a rate that creates a supersonic shockwave.

• 这条管子有时被称为滴滴涕（爆燃向爆轰）管，它的工作是为了迫使速度创造了超音速冲击波触发负责燃烧。