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

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).
随便看	the go-go the gogo the going high the going-high the going rate the going rate (for something) the going rate for something the going thing the gold brick the gold-brick the goldbrick the gold bricker the gold-bricker the goldbricker the gold discovery letter the golden age the golden age of something the golden ager the golden-ager the golden bear the golden bull the golden calf the golden goose the golden handcuffs the golden hinde at st mary overie dock

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