Since cordite burns at a greater rate at a higher pressure a relief valve must be used to allow generated gas to escape to atmosphere at times when the demand is low.
英
美
- 因为柯达火药在较高的压力下以较高的速度燃烧,所以必须使用一个溢流阀,以便当用气少时,能让所产生的部分气体排到大气中去。