短語詞組短語spline type coupling 花鍵式聯(lián)軸節(jié)involute spline coupling 漸開線花鍵聯(lián)軸器sliding spline coupling 滑動花鍵聯(lián)軸器internal spline coupling 內花鍵嚙合SLEEVE SPLINE COUPLING 花鍵接頭套internal coupling spline 內嚙合花鍵 返回 spline coupling