短语词组短語back -rake angle 背前角tollholder with back rake 具有後傾角的刀架back rake angle [機]後傾角;後斜角;縱曏前角;傾角Tool back rake 刀具齒背前角ADJUSTING HANDLE SEAT -BACK RAKE 靠背角度調節鏇鈕;靠背角度調節手柄Rake Back 廻傭廻贈 返回 back rake