“three-piece set”的概念、定义、翻译、参考文献-科学参考

单词	three-piece set
释义	three-piece set [`thrē ¦pēs `set] ^{MINING ENGINEERING} A set of timber consisting of a cap and its two supportive posts.
随便看	Dirac quantization Dirac sea Dirac spinor Dirac theory Dirac wave function direct access direct-access library direct-access memory direct-access method direct-access storage direct-access storage device direct-acting pump direct-acting recorder direct address direct-address processing direct air cycle direct allocation direct-aperture antenna direct-arc furnace direct-band-gap semiconductor direct bearing direct-bonded bearing direct broadcasting satellite system direct broadcast radio satellite direct cell

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