“friction blocks”的概念、定义、翻译、参考文献-科学参考

单词	friction blocks
释义	friction blocks [`frik·shǝn ´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	neurohumor neurohypophysis neurolathyrism neuroleptic neuroleptoanalgesia neurologist neurology neuroma neuromast neuromere neuromodulator neuromuscular neuromuscular junction neuromyasthenia neuromyelitis neuron neuron doctrine neuronitis neuropathy neuropharmacology neurophysiology neuropil neuroplasm neuropodium neuropore

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