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	bent down bente bent ear bent-e-hawa peace and development organization bent elbow benteng kuto besak bent for the rent bent forward bent frame bent glass bent grass bent-grass bentgrass bent grasses bentgrasses bentgrass in turf applications benth benth. benthal benthally bentham benthamic benthamism benthamite benthamites

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