“double pinion”的概念、定义、翻译、参考文献-科学参考

单词	double pinion
释义	double pinion 双小齿轮
随便看	form address operation form advance form a flute form a groove formal formal-actual parameter correspondence formal address formal agreement formal algebra formal approach formal approximation formal argument formal axiomatics formal bond formal cause formal charge formal class formal concentration formal construction formal contract formal control formal copper wire formal declarer formal deduction formal definition

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