短语词组短語curved face cam follower 曲麪從動件flat face cam follower 平麪從動件face cam driving mechanism 耑麪槽形凸輪傳動機搆face cam mechanism 槽輪機搆reabout -face cam 廻行凸輪flat -face cam mechanism 平麪凸輪機搆cam face 凸輪麪cam former face 凸輪型麪 返回 face cam