英语词汇“drilling bit”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	drilling bit
释义	drilling bit (once / 5909656 pages) n WORD FAMILY drilling bit n a bit used in drilling for oil Syn\|Hypo\|Hyper drill bit core bit a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken blade bit, fishtail bit a drilling bit with cutting edges usually hardened against wear rock bit, roller bit a drill bit that has hardened rotating rollers bit the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press
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