sap pressure
英
美
- pressure n.压强；压力；压迫v.施压
- sap n.树液；汁液；精力；易上当的人；地道v.挖地道；削弱；逐渐耗竭
- The four-way valve releases oil pressure evenly to the pulleys.
四通阀对滑轮均匀的释放液压。
- The reverser can only be deployed on the ground with hydraulic pressure available.
反推器只能够在地面液压系统有效时打开。
