“valve head”的概念、定义、翻译、参考文献-科学参考

单词	valve head
释义	valve head [`valv ´hed] ^{MECHANICAL ENGINEERING} The disk part of a poppet valve that gives a tight closure on the valve seat.
随便看	polyurethane foam polyurethane resin polyurethane rubber polyuria polyvalent polyvalent number polyvinyl acetal resin polyvinyl acetate polyvinyl alcohol polyvinyl carbazole polyvinyl chloride polyvinyl chloride acetate polyvinyl dichloride polyvinyl ether polyvinyl ethyl ether polyvinyl fluoride polyvinyl formate resin polyvinylidene chloride polyvinylidene fluoride polyvinylidene resin polyvinyl isobutyl ether polyvinyl methyl ether polyvinyl pyrrolidone polyvinyl resin Polyzoa

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