基本解釋[機(jī)械工程]斜齒輪周轉(zhuǎn)輪系詞組短語(yǔ)短語(yǔ)differential bevel epicyclic train 差動(dòng)傘齒輪周轉(zhuǎn)輪系bevel epicyclic train更多詞組專業(yè)釋義機(jī)械工程斜齒輪周轉(zhuǎn)輪系