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fabricating technique for exclusive part of vacuum electron device
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fabricating technique for exclusive part of vacuum electron device
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工学
真空电子器件制造工艺
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fabricating technique for exclusive part of vacuum electron device
真空电子器件专用零件加工工艺
真空电子器件中由各种金属、石墨、陶瓷和云母等材料制成的零件的加工工艺。
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hexagonal lattice
hexagonal net
hexagonal nomogram
hexagonal number
hexagonal nut
hexagonal phase
hexagonal prism
hexagonal pyramid
hexagonal pyramidal number
hexagonal scalenohedron
hexagonal square number
hexagonal-square roll pass sequence
hexagonal system
hexagonal web
hexagon pattern
hexagon tiling
hexagram
hexahedral
hexahedral angle
hexahedral apparatus
hexahedral graph
hexahedral representation
hexahedrite
hexahedron
hexahydrophenol
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