Pitch Curve Design of Non-circular Planetary Gear Mechanism with Cylindrical Internal Gear--Calculation of Pitch Curve in Non-circular Gear Pair是什么意思_Pitch Curve Design of Non-circular Planetary Gear Mechanism with Cylindrical Internal Gear--Calculation of Pitch Curve in Non-circular Gear Pair在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句