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。
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英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。