Reattach the relief valve hose to the elbow in the bottom flange cover.
重新将安全阀软管接到底部法兰盖内弯头上。
Reattach the relief valve hose to the elbow in the bottom flange cover.
重新将安全阀软管接到底部法兰盖内弯头上。
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.
因为柯达火药压力下以速度燃烧,所以必一个溢流阀,以便当气少时,能让所产生部分气体排到大气中去。
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