“hand feed”的概念、定义、翻译、参考文献-科学参考

单词	hand feed
释义	hand feed [`hand ´fēd] ^ENGINEERING A drill machine in which the rate at which the bit is made to penetrate the rock is controlled by a hand-operated ratchet and lever or a hand-turned wheel meshing with a screw mechanism.
随便看	diplex radio transmission diplex reception Diplobathrida diplobiont diploblastic diploblastula diplococci dip log Diplogasteroidea diploglossate diplohaplont diploid diploidization diploid merogony diploid state diplolepidious Diplomonadida Diplomystidae diplont diplopia Diplopoda Diploporita Diplorhina diplosome diplospondyly

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