英语词汇管颈是什么意思，管颈的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	管颈
释义	DEFINITIVE EXAMPLES 权威例句〔throat〕Botany The opening of a tubular corolla or calyx where the tube joins the limb.【植物学】管颈：管状花冠或花萼的展开处或管和茎的相连处美国传统
随便看	standard plain milling cutter standard plane standard poeration time standard policy standard policy condition standard policy conditions standard polynomial standard population standard position standard potential standard potential series standard power meter standard practice standard practice standard preemphasis standard preparation standard preparation hours standard pressure standard pressure parts standard price standard price standard price method standard prime matrix standard procedure standard process cost sheet

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