英语词汇“drill stem”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	drill stem
释义	drill stem noun : the string of drill pipe that transmits power from the surface down to the drill bit in well drilling
随便看	drift fence drift float drift ice driftier driftiest drift indicator drifting driftingly driftland drift lead driftless driftless driftless area driftlessness driftman drift meter drift mine drift mining drift net drift netter drift period driftpiece driftpin drift plain drift plug

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