primary feather
【化】 主价
primary valency
暂无补充释义。
相关词条
primary industry
cardinal plane【电讯】;main plane【航】;primary flat【电子】
primary branch
primary-air supply aperture, passage
rechargeable primary cell
primary amentia
primary alcohol
primary valency
暂无补充释义。
primary feather
primary industry
cardinal plane【电讯】;main plane【航】;primary flat【电子】
primary branch
primary-air supply aperture, passage
rechargeable primary cell
primary amentia
primary alcohol