It is difficult and complicated to analyze the power flow of 3k type planetary gear trains and deduce their efficiency formulas.
目前，3K行星轮系的功率流向分析和啮合效率公式的推导既难又繁。
It is difficult and complicated to analyze the power flow of 3k type planetary gear trains and deduce their efficiency formulas.
目前，3K行星轮系的功率流向分析和啮合效率公式的推导既难又繁。
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