基本解釋[機械工程]斜齒輪周轉(zhuǎn)輪系詞組短語短語differential bevel epicyclic train 差動繖齒輪周轉(zhuǎn)輪系bevel epicyclic train更多詞組專業(yè)釋義機械工程斜齒輪周轉(zhuǎn)輪系