Reattach the relief valve hose to the elbow in the bottom flange cover.
重新将安全软接到底法兰盖内弯头上。
Reattach the relief valve hose to the elbow in the bottom flange cover.
重新将安全软接到底法兰盖内弯头上。
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.
因为柯达火药在较高压力下以较高速度燃烧,所以必须使用一个溢流,以便当用少时,能让所产生体排到大中去。
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