英语词汇“grief stem”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	grief stem
释义	grief stem noun : a tube or rod of square cross section fitted into a square hole in the rotary-drill table and forming the top section of the rotary-drill shaft in an oil well
随便看	announcement announcer annoy annoyance annoying annoyingly ann's annual annual annual bluegrass annual epact annualer annual improvement factor annualist annualization annualize annual leave annually annual meadowgrass annual meeting annual parallax annual percentage rate annual phlox annual rent annual ring

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