“collared hole”的概念、定义、翻译、参考文献-科学参考

单词	collared hole
释义	collared hole [`käl·ǝrd ´hōl] ^ENGINEERING A started hole drilled sufficiently deep to confine the drill bit and prevent slippage of the bit from normal position.
随便看	esophagoscopy esophagus esoteric name esotropia ESP espalier drainage esparto wax esquisse ESR Essen coefficient essential amino acid essential bound essential constants essential fatty acid essential hypertension essentially bounded function essential mapping essential oil essential singularity essential supremum essexite established flow establishment ester esterase

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