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单词 stone drill
释义
stone drill
(once / 1477414 pages)
n

WORD FAMILY
stone drill: stone drills
USAGE EXAMPLES
"Sounds like some one pounding a stone drill; perhaps they are going to do some blasting!"
Cheley, F. H., Buffalo Roost(2010)
n a drill for penetrating rock
Syn|Hypo|Hyper
bore bit, borer, rock drill
cross bit
a rock drill having cruciform cutting edges; used in mining
star drill
a steel rock drill with a star-shaped point that is used for making holes in stones or masonry; it is operated by hitting the end with a hammer while rotating it between blows
straight flute, straight-fluted drill
a rock drill with flutes that are straight
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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更新时间:2025/1/3 14:09:32