“straight gear”的概念、定义、翻译、参考文献-科学参考

单词	straight gear
释义	straight gear 直齿齿轮
随便看	fitting lubricant fitting lubrication fitting mark fitting of a second degree parabola fitting of distribution fitting of tire fitting-on fittingout fitting out fitting overall chain fitting part fitting piece fitting pin fitting pipe fitting process fitting ration fittings fitting screw fittings for single trap siphon fitting shop fitting strip fitting surface fitting temperature fitting tight fitting union

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