... gas control valve 气体调节阀 gas escape valve 煤气放气阀 gas linking valve 燃气连结阀 ...
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gas escape tube escape valve 煤气放气阀
gas escape tube filling valve 充气阀
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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。
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