“beam hanger”的概念、定义、翻译、参考文献-科学参考

单词	beam hanger
释义	beam hanger [`bēm ´haŋ·ǝr] ^{PETROLEUM ENGINEERING} An attachment at the end of a walking beam above a well casing to lift the pump rods or sacked rods.
随便看	triple entry triple harmonic triple-length working triple-mode Cepheid triple modular redundancy triple phosphate triple point triple response triple scalar product triple-stub transformer triple superphosphate triplet triple thread triplet state triple vector product triplex cable triplex chain block triplexer triplex system triplite Triploblastica triploidy trip magnet tripod tripodal grasp

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