油ゆ圧あつ器き

noun

hydraulic equipment

General term for devices or machinery that use hydraulic pressure, such as jacks, presses, or actuators.

• 工こう場じょうでは油ゆ圧あつ器きを使つかって金きん属ぞくを成せい形けいしている。

  In the factory, they use hydraulic equipment to shape metal.