短语词组短語spline type coupling 花鍵式聯軸節involute spline coupling 漸開線花鍵聯軸器sliding spline coupling 滑動花鍵聯軸器internal spline coupling 內花鍵齧郃SLEEVE SPLINE COUPLING 花鍵接頭套internal coupling spline 內齧郃花鍵 返回 spline coupling