艉轴管滑油重力柜低位报警的英文

stern tube l.o. gravity tank low level alarm

• 艉:    stern
• 轴:    axle; shaft
• 管:    pipe; tube
• 滑油:    grease; slide oil; ...
• 重力:    gravity; force of ...
• 柜:    beech
• 低位:    low-order
• 报警:    give an alarm