短語詞組短語internal circular spline [機]內(nèi)齒剛輪internal thread spline 內(nèi)螺旋花鍵internal coupling spline 內(nèi)嚙合花鍵internal ratio spline 內(nèi)花鍵internal helix spline 螺旋內(nèi)花鍵internal spline portion 內(nèi)花鍵區(qū)段internal spline s 內(nèi)花鍵tooth internal spline 齒形內(nèi)花鍵keilnabenrumwerkzeug internal spline broach 花鍵套拉刀 返回 internal spline