“Holman dust extractor”的概念、定义、翻译、参考文献-科学参考

单词	Holman dust extractor
释义	Holman dust extractor [`hōl·mǝn `dǝst ik´strak·tǝr] ^{MINING ENGINEERING} A dust-trapping system in which the dust and chippings from percussive drilling operations are drawn back through the hollow drill rod and along a hose to a metal container with filter elements.
随便看	recombination radiation recombination repair recombination velocity recombinator recompletion recomposed granite recomposed rock recomputed point of turn recon reconditioned carrier reception reconditioning reconnaissance reconnaissance drone reconnaissance map reconnaissance spacecraft reconnaissance survey reconnection reconstituted mica reconstitution reconstructed coal reconstructed granite reconstructed stone reconstruction reconstructive processing reconstructive transformation

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