炸The stench of cordite and clouds of smoke hung over the hollow.
炸药
恶臭和
炸硝烟笼罩着山谷。”
词
词The stench of cordite and clouds of smoke hung over the hollow.
炸药恶臭和炸硝烟笼罩着山谷。”
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阀，以便当用气少时，能让所产生
气体排到大气中去。
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