英语词汇“hollow drill”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	hollow drill
释义	hollow drill hollow drill [′häl·ō ′dril] (design engineering) A drill rod or stem having an axial hole for the passage of water or compressed air to remove cuttings from a drill hole. Also known as hollow rod; hollow stem.
随便看	controlled oral word association test controlled parameter controlled paraphernalia controlled parking zone controlled partial rebreathing-anesthesia method controlled passing controlled pattern release controlled phase shifter controlled photography controlled photomosaic controlled pinch reversed field controlled pipe joints controlled porous glass controlled port controlled power company controlled pressure relief controlled print file controlled product management controlled products regulation controlled pulsewidth modulation controlled quadrature phase shift keying controlled quantum dynamics controlled quick release controlled radiation pattern antenna controlled radical polymerisation

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