“oil derrick”的概念、定义、翻译、参考文献-科学参考

单词	oil derrick
释义	oil derrick [`ȯil ´der·ik] ^{PETROLEUM ENGINEERING} Tower structure used during oil well drilling to aid in raising and lowering of drill and piping strings.
随便看	immunity immunization immunization therapy immunochemistry immunodeficiency immunodiffusion immunoelectrophoresis immunofluorescence immunogen immunogenetics immunogenic immunoglobulin immunoglobulin-mediated immunity immunogranulomatous disease immunological memory immunological paralysis immunologic suppression immunologic tolerance immunologist immunology immunonephelometry immunopathology immunopotentiation immunosuppression immunosuppressive

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