短語(yǔ)詞組短語(yǔ)crowned tooth flank 鼓形齒面Crowned tooth coupling 鼓形齒接手;冕形齒聯(lián)軸節(jié)short -crowned tooth 短冠齒crowned tooth machanism [機(jī)]鼓形齒機(jī)構(gòu) 返回 crowned tooth