“purified protein derivative (PPD)”的概念、定义、翻译、参考文献-科学参考

单词	purified protein derivative (PPD)
释义	purified protein derivative (PPD) 纯蛋白衍化物纯化蛋白衍生物
随便看	cycloidal blower cycloidal cam cycloidal chop cycloidal curve cycloidal cylinder cycloidal deflection cycloidal gas meter cycloidal gear cycloidal gear grinding machine cycloidal gear hob cycloidal gearing cycloidal gear reducing motor cycloidal gear teeth cycloidal helical motion cycloidal mass spectrometer cycloidal motion cycloidal needle wheel type motor cycloidal path cycloidal pendulum cycloidal pinwheel reduction box cycloidal planetary gear speed reducer cycloidal propeller cycloidal propeller ship cycloidal pump cycloidal teeth

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