英语词汇“needle valve”的中英文读音、翻译、固定搭配用法、短语词组及例句-英汉汉英双解词典-四方网

单词	needle valve
释义	needle valven.（名词） A valve having a slender point fitting into a conical seat, used to regulate accurately the flow of a liquid or gas.针状阀：装在圆锥形阀座上的有细杆的阀，用于准确地调整液体或气体的流动
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