单词	expanding bit
释义	Expanding bit (Mech.) a bit or drill made adjustable for holes of various sizes; one which can be expanded in diameter while boring. See also: Expanding expanding bit expansion bit, expansive bit expansion bit A bit, of adjustable size, for cutting holes in wood. (See illustration p. 380.) ThesaurusSeeexpansion bit
随便看	initial contact zone initial contract award proposal evaluation and analysis initial contract for advance procurement initial cost of ownership initial coverage period initial crime investigators' development programme initial crop initial d initial daily use initial damage evaluation initial d arcade stage initial data base load initial data release initial data storage file initial death rate of chapel hill initial decision maker initial defense communications satellite program initial defense of texas initial defense satellite communications system initial defensive capability initial defensive operations initial deformation temperature initial delay position initial delivery initial delivery date

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