英语词汇“friction blocks”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	friction blocks
释义	friction blocks friction blocks [′frik·shən ‚bläks] (petroleum engineering) Thin blocks with cylindrical surfaces that drag on the inside of the well casing to prevent rotation of the packer (seal between the outside of tubing and inside of casing).
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。