单词 | screw auger |
释义 | screw auger (once / 3939771 pages) n WORD FAMILY screw auger USAGE EXAMPLESA screw auger has a twisted blade, by the spiral groove of which the chips are discharge. Webster, Noah, Webster's Unabridged Dictionary—(2n...(2012) n hand tool for boring holes Syn|Hyper auger, gimlet, wimble drill a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) |
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