英语词汇“primary xylem”是什么意思，“primary xylem”的读音、用法及例句翻译-烛光网

词汇	primary xylem
释义	primary xylemn.Botany（名词）【植物学】 A type of xylem tissue derived from the procambium.初生木质部：由原成层转变而成的木质组织种类
随便看	Permalloy permanence permanences permanencies permanency permanent permanent permanent magnet permanent press permanents permanent tooth permanent wave permanganate permanganates permanganic acid permatemp permeability permeable permeable permeance permeances permease permeases permeate permeate

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