point of action (e.g. of a lever) 意味

• point of action (e.g. of a lever)
  作用点
  さようてん
  

• point (e.g. pencil):    point (e.g. pencil)先さき
• important point (e.g. on a route):    important point (e.g. on a route)衝しょう
• action lever:    アクション用てこ