短语词组短語countershaft layshaft 副軸layshaft lever 副軸控制杆layshaft bearing 中間軸軸承;中間軸承layshaft gear cluster 中間軸齒輪組twin -layshaft configuration 雙中間軸式結搆layshaft drive gear 中間軸主動齒輪layshaft of geared head 車頭箱中間軸 返回 layshaft