英语词汇drill string怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	drill string
释义	drill string noun a structure consisting of coupled lengths of pipe or casing, which occupies the hole made in drilling for oil or gas 钻杆组, 钻具组。
随便看	da capo Dacca dace dacha Dachau dachshund Dacia Dacian dacite dacitic dacoit dacoity Dacron dactyl dactylic dactylic hexameter dad Dada dada Dadaism Dadaist Dadaistic Dadd daddy daddy-long-legs

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